Pakistani volunteers offload the bodies of laborers killed in a shooting from an ambulance in Quetta, Pakistan, Saturday, July 23, 2011. Gunmen riding on a motorcycle shot and killed five laborers at a construction site for a mosque in southwestern Pakistan. (Photo/Arshad Butt) July 24, 2011

A Pakistani woman who was injured in an explosion is admitted at a local hospital in Chaman, Pakistan along the Afghanistan border Thursday, July 14, 2011. A government official says a blast ripped through a house where explosives and weapons had been stored in southwest Pakistan, killing four people. (AP Photo/Shah Khalid) July 17, 2011

Pakistani children mourn their father's death in Karachi, Pakistan on Friday, July, 8, 2011. Security forces were ordered to shoot gunmen on sight Friday in Pakistan's largest city, after three days of violence that killed scores of people and prompted political leaders to call for a day of mourning that shut businesses and kept public traffic off the roads. This week's violent spate in Karachi was among the worst this year for a city that has long been a hotbed of ethnic, sectarian and political tensions. (AP Photo/Fareed Khan) July 10, 2011

Pakistani children wait to get a free meal distributed at a local shrine in Karachi, Pakistan on Friday, July 1, 2011. (AP Photo/Shakil Adil) July 3, 2011

An Afghan refugee boy washes his face while waiting with others to collect water at a point in a slum area on the outskirts of Islamabad, Pakistan, Monday, June 20, 2011. (AP Photo/Muhammed Muheisen) June 23, 2011

A man identified as Sarfaraz Shah reacts after being shot by a paramilitary Ranger at a park in the southern city of Karachi in this still image taken from video shot June 8, 2011. The incident, caught on video and broadcast on local television stations, triggered fresh criticism of Pakistan's human rights record and an unpopular government many say has failed to rein in the police and army, and who seem to act with impunity. (REUTERS/Awaz TV via Reuters) June 12, 2011

Internally displaced children from Pakistani tribal areas of South Waziristan along the Afghanistan border wait with their elders in a queue to get paper work completed to return to their homes in Tank district of Pakistan on Wednesday, June 8, 2011. People fled their homes due to fighting between militants and security forces and about 400 families returned to their homes on Wednesday after receiving a food ration for six months and rupees 25000, (US$300). (AP Photo/Kashif Naveed) June 9, 2011

A man injured by a bomb blast in Bajaur tribal region receives treatment after being brought to the Lady Reading Hospital in Peshawar, northwest Pakistan, May 28, 2011. A suicide bomber blew himself up in a small restaurant in Pakistan's Bajaur tribal region on the Afghan border on Saturday, killing five civilians and wounding 10. (REUTERS/Fayaz Aziz) May 29, 2011

Pakistani troops drive past a wreckage of a gutted aircraft at Pakistan Navy base in Karachi, Pakistan on Monday, May 23, 2011. Pakistani commandos regained control of a naval base Monday from a team of Taliban militants who had attacked then occupied the high-security facility for 18 hours, dealing a bloody and humiliating blow to the military. (AP Photo/Shakil Adil) May 26, 2011

A Pakistani security official stands guard at the site of bombing in Shabqadar near Peshawar, Pakistan on Friday, May 13, 2011.A police officer says the death toll in a pair of explosions outside a security force training center in northwest Pakistan has risen to 80. 66 victims in the attack Friday were recruits for the Frontier Corps. (AP Photo/Mohammad Sajjad) May 15, 2011

Soldiers carry the casket of Maj Ziaul Haq Kandhro to his grave after funeral prayers in Larkana in Pakistan's Sindh province April 12, 2011. Kandhro, who was killed in the line of duty in Mohmand Agency a day earlier, left behind two daughters, two sons and a wife. (REUTERS/Nadeem Soomro) April 17, 2011

A policeman surveys at the site of a bomb explosion in Charsadda, in Pakistan's northwest March 31, 2011. A prominent Islamist politician narrowly escaped an assassination attempt on Thursday when a suspected suicide bomber blew himself up near his car killing at least 11 people. (REUTERS/Fayaz Aziz) April 1, 2011

Pakistani security personnel investigate the bomb blast site at a mosque in Nowshera on March 4. The attack killed at least 11 people and wounded over 20 others after it ripped through Friday prayers. (AFP/Hasham Ahmed) March 7, 2011

Pakistani villagers in ai border town of Chaman along Afghanistan, collect oil spilled from an over turned tanker of Afghanistan-bound tanker on Friday, Feb. 25, 2011.Militants in Pakistan attacked tankers bringing fuel to NATO and U.S. forces in Afghanistan on Friday, killing four people and causing a massive nighttime blaze. (AP Photo/Shah Khalid) February 25, 2011

Abdur Rahman,12, who was wounded in a bomb blast in Pakistan's northwest Bajaur region, sits on a bed in a hospital run by the International Committee of the Red Cross (ICRC), in Peshawar February 8, 2011. Dozens of civilians maimed or wounded by bombings, landmines and shootings in recent months lie in a hospital in Pakistan's northwest, raising doubts over government assertions that conflict zones had been stabilised. (REUTERS/Fayaz Aziz) February 14, 2011

Activists from a Pakistani group hold placards during an anti-US protest in Karachi. A Pakistani court defied pressure from Washington and ordered a US government employee under investigation for double murder in the streets of Lahore held for eight more days Thursday. (AFP/Asif Hassan) February 6, 2011

Activists of the Pakistani party Jamaat-i-Islami (JI) attend an anti-US protest rally in Peshawar on January 23. A series of unmanned US drone strikes in a lawless district of Pakistan have killed at least 13 militants, officials said, as tribesmen took to the streets to protest the aerial campaign. (AFP/A Majeed) January 23, 2011

Pakistan army soldiers visit the site of suicide attack in the suburbs of Bannu, Pakistan, Thursday, Jan. 13, 2011. Suspected militants targeted a police vehicle and a security checkpoint with bombs in northwest Pakistan on Thursday, killing and wounding a number of officers. (AP Photo/Ijaz Muhammad) January 15, 2011

A paramedic assists a man, who was injured during a suicide bomb attack in Kandahar, Afghanistan, after he was brought to the District Hospital (DHQ) in Chaman in Pakistan's Balochistan province, along the Afghan border January 7, 2011. A suicide bomber killed 17 people, including a police commander, inside a public bathhouse in Afghanistan's southern Kandahar on Friday in the country's worst attack in more than five months. (REUTERS/Saeed Ali Achakzai) January 9, 2011

Pakistan army paramedic and rescue workers unload an injured victim of suicide bombing, from a van upon his arrival at Lady Reading hospital in Peshawar, Pakistan on Saturday, Dec. 25, 2010. A female suicide bomber detonated her explosives-laden vest in a crowded aid distribution center in northwest Pakistan on Saturday, killing at least 41 people and wounding dozens waiting for food stamps. (AP Photo/Mohammad Sajjad) December 26, 2010

Pakistani paramilitary soldiers arranging weapons recovered from suspected militants in the Khyber region. (AFP/File/Hasham Ahmed) December 19, 2010

Pakistanis hold a banner during a rally against U.S. drone attacks on Pakistani tribal areas killing civilians, in Islamabad, Pakistan, Friday, Dec. 10, 2010. Tribesmen staged a protest against the U.S. missile attacks along the Afghan border targeting al-Qaida and Taliban hideouts. (AP Photo/Muhammed Muheisen) December 10, 2010

Aziza Shafiq, 55, stands amidst the rubble of her house in Karachi November 16, 2010, five days after it was damaged by a suicide bomb attack. (REUTERS/Akhtar Soomro ) November 17, 2010

A Pakistan man helps an injured woman from the site of a bomb explosion in Karachi, Pakistan on Thursday, Nov. 11, 2010. A powerful bomb in the center of Pakistan's largest city leveled a police building, killing at least five people and wounding many others, police and witnesses said. (AP Photo/Shakil Adil) November 12, 2010

People help to send victims injured in a suicide bomb attack at a mosque in Darra Adam Khel, a tribal region in the Khyber-Pakhtunkhwa province, to the Lady Reading Hospital in Peshawar for treatment November 5, 2010. (REUTERS/Fayaz Aziz ) November 06, 2010

A Pakistani woman, displaced by floods, prepares bread outside her tent at a makeshift camp in Karachi in October 2010. The United Nations on Wednesday expressed increasing alarm over sluggish funds for Pakistan's 21 million flood victims, appealing to donors to act swiftly to stave off a new winter emergency. (AFP/File/Asif Hassan) November 03, 2010

Pakistanis displaced by floods line up for water at a makeshift tent camp on the outskirts of Karachi. The United Nations has issued a record two-billion-dollar appeal for funds to deal with the aftermath of the disaster, which UN agencies say affected 21 million people and left 12 million in need of emergency food aid. (AFP/File/Rizwan Tabassum) Ocrtober 29, 2010

Afghan children look at an occupation forces military vehicle in front of a district police station currently occupied by US soldiers and Afghan National Police in Kandahar City, Afghanistan, Friday, Oct 22, 2010. (AP Photo/Rodrigo Abd) October 25, 2010

Pakistani children, displaced by floods, at a makeshift camp in Karachi on October 6. At least seven million people are still without shelter in Pakistan nearly three months after catastrophic floods devastated huge parts of the country, the United Nations says. (AFP/File/Asif Hassan) Ocrtober 19, 2010

An Afghan girl refugee stands on a wooden cart outside a mudhouse, in an Afghan colony, on the outskirts of Islamabad, Pakistan on Thursday Oct. 7, 2010. (AP Photo/Aaron Favila) October 13, 2010

Afghan children look on as their homes are raided by occupation soldiers from the U.S. Army Alpha Company, 1-22 Infantry Battalion during a military operations in a village in Kandahar province, southern Afghanistan October 9, 2010. (REUTERS/Erik de Castro) October 12, 2010

Residents watch from a hill top as smoke rises from burning fuel tankers near Nowshera, located in Pakistan's Khyber-Pakhtunkhwa Province October 7, 2010. (REUTERS/Adrees Latif) Ocrtober 7, 2010

A UN helicopter is seen dropping relief goods to people displaced by floods in Pakstan. Another UN helicopter distributing food aid to victims of floods and carrying 13 people made a hard landing on water Friday causing injuries. (AFP/File/Rizwan Tabassum) Ocrtober 1, 2010

Pakistani blast victims receive treatment outside a hospital following a suicide bomb attack in Lakki Marwat. At least 19 people were killed and 45 wounded when a suicide bomber rammed his explosives-laden car into a police station in northwest Pakistan on Monday, destroying the building, police said. (AFP/Ghulam Akbar) September 7, 2010

A Pakistan family cross a deep flooded area to reach their homes, Sunday, Aug. 29, 2010 in Sultan Kot, in southern Pakistan. Floodwaters inundated a large town in southern Pakistan on Sunday, spreading further destruction in an area where hundreds of thousands of people who fled to higher ground are in dire need of food and water. (AP Photo/Anjum Naveed) August 30, 2010

Pakistani police patrol flood hit Muzaffargarh district, Punjab province, Pakistan on Thursday Aug. 19, 2010. Weeks after massive downpours first battered northern Pakistan, submerging tens of thousands of square miles, killing near 1,500 people and leaving millions homeless, those floodwaters are still sweeping down river and through the south, adding one more layer of misery. (AP Photo/Aaron Favila) August 19, 2010

Pakistan Navy soldiers rescue stranded villagers from flooded areas at Toree Band in Kashmor district near Sukkar in Pakistan's Sindh province on Friday, Aug. 6, 2010. Stormy weather grounded helicopters carrying emergency supplies to Pakistan's flood-ravaged northwest Friday as the worst monsoon rains in decades brought more destruction to the nation. (AP Photo/Shakil Adil) August 06, 2010

A Pakistani family takes shelter in a school transformed into a camp on the outskirts of Nowshera on August 2. Pakistan risked a public health disaster Tuesday with 3.2 million people hit by the worst floods in generations as anger grew among survivors complaining they have been abandoned by the government. (AFP/Behrouz Mehri) August 04, 2010

Families living in make-shift tents try to cover them from monsoon rain in Lahore, Pakistan on Thursday, July 22, 2010. (AP Photo/K.M.Chaudary) July 23, 2010

Pakistani rescuers accompany an injured blast victim at a hospital in Peshawar. A bomb blast ripped through a busy car market in Pakistan's infamous tribal district of Khyber on Friday, killing 10 civilians including children. (AFP/Hasham Ahmed) July 18, 2010

Pakistan army troops arrive at the site of an explosion outside a house in Peshawar, Pakistan on Saturday, July 10, 2010. Several people were injured in the blast that went off outside the home of a member of peace committee early Saturday morning according to police. (AP Photo/Mohammad Sajjad) July 10, 2010

A masked Pakistani boy pauses during a play at a Christian colony in Islamabad, Pakistan, Monday, July 5, 2010. (AP Photo/Dita Alangkara) July 6, 2010

The children of a man who was killed by a suicide bomb blast the night before, weep over his coffin in Lahore July 2. 2010. (REUTERS/Mohsin) July 2, 2010

A Pakistani boy sits on the back of a donkey cart with containers filled with water from a public tap during a sandstorm in Islamabad, Pakistan, Wednesday, June 23, 2010. (AP Photo/Dita Alangkara) June 27, 2010

India's Roban Bopanna (L) and partner Pakistan's Aisam-Ul-Haq Qureshi walk back to their chairs during their doubles match against Germany's Philipp Marx and Slovakia's Igor Zelenay at the 2010 Wimbledon tennis championships in London, June 25, 2010. (REUTERS/Stefan Wermuth) June 25, 2010

A nurse displays a bag filled with blood, with an image of Pakistan's assassinated Prime Minister Benazir Bhutto on it, during a blood donation drive to commemorate Bhutto's birthday in Larkana June 21, 2010. (REUTERS/Nadeem Soomro) June 22, 2010

Hospital staff move a man, who was injured after gunmen opened fire on the premises of a district city court, to the Civil hospital in Karachi June 19, 2010. Unknown gunmen opened fire near the City Courts, at a group of policemen who were escorting a number of prisoners to the courts and threw a hang grenade amid the crowd, (REUTERS/Athar Hussain) June 21, 2010

Surrendered Taliban militants from Pakistan's northwestern Bajaur tribal district stand beside seized weapons on June 9. Pakistani attack helicopters and heavy artillery on Wednesday killed six militants in a tribal district on the Afghan border where commanders had said the Taliban were purged, officials said. (AFP/File/Anwar Ullah) June 18, 2010

People rush out children rescued from the Garhi Shahu mosque stormed by suspected militants in Lahore, Pakistan, Friday, May 28, 2010. Suspected Islamist militants attacked two mosques, Garhi Shahu and Model Town, packed with hundreds of people from a minority sect in eastern Pakistan on Friday, laying siege to one center in a standoff with police, killing scores of people. (AP Photo/K.M. Chuadary) May 29, 2010

Pakistani internally displaced people wait for their turn to register with officials at a centre in Peshawar in April. About 130 relatives of suspected Taliban fighters have been expelled from Pakistan's Swat valley and are living in a camp guarded by the military, officials and witnesses said Tuesday. (AFP/File/A Majeed) May 25, 2010

Pakistani students rally to condemn a page of Facebook that encourages users to post images of Islam's Prophet Muhammad, in Hyderabad, Pakistan, Friday, May 21, 2010. (AP Photo/Pervez Masih) May 22, 2010

A Pakistani man makes breads at a wholesale fruit and vegetable market on the outskirts of Islamabad, Pakistan, Saturday, May 15, 2010. (AP Photo/Vincent Thian) May 15, 2010

Pakistani kids mourn during a funeral of people died in Monday's suicide bombing in Peshawar, Pakistan on Tuesday, April 20, 2010. (AP Photo/Mohammad Sajjad) April 23, 2010

People carry a casket of their relative killed in the suicide bombing in Kohat, Pakistan on Sunday, April 18, 2010. A suicide bomber rammed a truck loaded with explosives into a police station in northwestern Pakistan, killing some people and wounded dozens other. (AP Photo) April 18, 2010

People who are injured by a suicide attack wait for help in Quetta, Pakistan on Friday, April 16, 2010. A suicide bomber attacked a hospital emergency room where Shiite Muslims were mourning a slain bank manager on Friday, killing eight people including a journalist and two policemen in Pakistan's main southwest city. (AP Photo/Arshad Butt) April 16, 2010

A Pakistani man stands among the debris of his house destroyed during military operations against Taliban militants near Bara in 2009. At least 42 militants were killed Saturday when Pakistani jet fighters bombed their meeting in a northwestern tribal area bordering Afghanistan, officials said.
(AFP) April 10, 2010

Afghan refugee students crammed in a small classroom, Thursday, April 1, 2010 in Lahore, Pakistan. Tens of thousands of Afghan families who fled neighboring Afghanistan due to fighting and drought are living in Pakistan. (AP photo/K.M.Chaudary) April 3, 2010

Pakistani villagers who live in remote areas of Hyderabad, Pakistan are in search of drinking water on Monday, March 22, 2010. Scarcity of drinking water in remote villages are common in Pakistan and villagers have to walk miles to fetch water from natural sources. Pakistan is also observes World Water Day with other nations. (AP Photo/Pervez Masih) March 25, 2010

Police officers help a protester injured by a rubber bullet police fired to disperse angry crowd in Islamabad, Pakistan on Friday, March 19, 2010. Violence erupted in the capital's outskirts when police tried to fight a mob of students protesting the hike in public transport fares. (AP Photo/B.K.Bangash) March 19, 2010

A Pakistani woman holds an injured boy at a hospital in Lahore a day after the latest twin suicide attacks which killed 57 people. At least 10 people have been killed in a suicide attack in Pakistan's Swat valley, a day after a series of bombings brought chaos and bloodshed to the city of Lahore, police have said. (AFP/Aamir Qureshi) March 14, 2010

Pakistani family members mourn a death in a suicide bombing in Lahore, Pakistan on Friday, March 12, 2010. A pair of suicide bombers targeting army vehicles detonated explosives within seconds of each other, killing scores of people, police said. (AP Photo/Hamza Ahmed) March 12, 2010

A Pakistani doctor examines a child brought to hospital after being injured in a car bomb attack in Lahore. A suicide car bomber has devastated offices used to interrogate suspected militants in Lahore, killing up to 13 people in the latest attack on Pakistan's cultural capital. (AFP/Arif Ali) March 9, 2010

Pakistani relatives stand next to an injured youth at a hospital in Dera Ismail Khan. Four people have been killed and over two dozen wounded, most of them police officials, in a suicide car-bomb attack on a police station in northwest Pakistan on Saturday. (AFP/Naseer Azam) February 27, 2010

Pakistani fire fighters and other official are seen near oil tanker, carrying fuel supplies for NATO forces in neighboring Afghanistan, after it was allegedly attacked by militants in Peshawar, Pakistan, Thursday, Feb. 25, 2010. Militants have frequently attacked trucks traveling through the Khyber pass carrying supplies to NATO and US troops in landlocked Afghanistan. (AP Photo/Mohammad Sajjad) February 26, 2010

Shopkeepers and police set aside casualties from the site of a bomb blast in Mingora, located in Pakistan's restive North West Frontier Province on February 22, 2010. A suicide bomber attacked a security force convoy in a market area in the main town in Pakistan's Swat valley on Monday killing six people. (REUTERS/Hazrat Ali Bacha) February 22, 2010

A young Afghan refugee girl plays with a tire in an alley of a poor neighborhood of Rawalpindi, Pakistan, Friday, Feb. 19, 2010. The Pakistani government and the United Nations refugee agency reached an agreement in March 2009, to allow some 1.7 million registered Afghan refugees living in Pakistan to continue sheltering there until at least 2012, thousands of them still live without electricity, running water and other basic services. (AP Photo/Muhammed Muheisen) February 20, 2010

Pakistan police officers examine the site of a bomb explosion at a busy intersection in Dadu, southern Pakistan, Sunday, Feb. 14, 2010. The explosion on Sundaykilled three people in an area that has avoided much of the Taliban-led violence plaguing the country. (AP Photo/Pervez Masih) February 14, 2010

File photo shows a young girl next to the rubble of a school building destroyed by militants in Pakistan. The Taliban blew up a girls' school on Sunday in northwest Pakistan, where troops are battling a militant insurgency, police said. (AFP/File/Waheed Afridi) January 24, 2010

Pakistani labors are on their way to work as fog envelopes Lahore, Pakistan, on Monday Jan. 18, 2010. The dense fog disrupted flights, train schedules and forced authorities to close several highway sections in Pakistan. (AP Photo/K.M.Chaudary) January 19, 2010

Pakistani volunteers remote a body following an explosion in Karachi. Eight suspected insurgents were killed when explosives intended for a bomb attack accidentally blew up, destroying a militant safe house in Pakistan's financial capital Karachi, January 8, 2010. (AFP/Rizwan Tabassum) January 10, 2010

Pakistan women hold placards during a rally to condemn Monday's suicide bombing over a Shiites procession, Saturday, Jan. 2, 2010 in Karachi, Pakistan. (AP Photo/Fareed Khan) January 2, 2010

A laborer rests beside sacks of onions in a vegetable market in Lahore December 19, 2009. (REUTERS/Mohsin Raza) December 19, 2009

A man holds pellets from the site of a suicide bomb attack as others clean blood off the marble floors of Madina mosque after it was hit by a suicide bomb blast in Jamrud, located in Pakistan's Khyber region August 19, 2011. A suspected suicide bomber killed at least 34 people in a mosque during Friday prayers in Pakistan's northwestern tribal region of Khyber on the Afghan border. (REUTERS/Fayaz) August 20, 2011

A man shouts for assistance while searching the rubble for survivors at a hotel building which was left destroyed by a bomb blast in the town of Dera Allah Yar, located in the Jaffarabad district of Pakistan's Balochistan province, August 14, 2011. A bomb ripped through the two-story building in Pakistan's restive southwest on Sunday, killing at least 11 people and wounding nearly 20. (REUTERS/Amir Hussain) August 14, 2011

Pakistani fire fighters spray water on the burnt NATO oil tankers caused by militants attacked in last night on the outskirt of Peshawar, Pakistan on Sunday, Aug. 7, 2011. Police say a bomb attack in Pakistan has destroyed 16 tankers carrying fuel for U.S.-led forces in Afghanistan. (AP Photo/Mohammad Zubair) August 7, 2011

Sameer, a six-week old internally displaced infant, cries while lying on his father's legs after arriving to higher grounds in Sukkur, in Pakistan's Sindh province July 26, 2011. Sameer and his family took refuge along a highway after leaving their village near Dadu to escape this year's monsoon season. Pakistan remains woefully unprepared for floods this year which a U.N. official said could affect up to 5 million people in a worse-case scenario. The 2010 Pakistan floods left some 2,000 people dead, 11 million homeless and another 7 million were affected. At its height, one-fifth of Pakistan was submerged. (REUTERS/Akhtar Soomro) July 29, 2011

A boy walks past a mud house damaged by a bomb explosion early morning in the Pakistan-Afghanistan border town of Chaman July 14, 2011. The blast in a house used by Afghan refugees in the southwestern town of Chaman on the Afghan border killed four people and wounded 10, police said. The blast may have been caused by the mishandling of explosives being prepared for militant activities. (REUTERS/Saeed Ali Achakzai) July 17, 2011

Pakistani police officers examine the damaged vehicles, a day after Taliban militants attacked at a police station, Sunday, June 26, 2011 in Kolachi near Dera Ismail Khan, Pakistan. The Pakistani Taliban say they used a female suicide bomber for the first time in an attack on the police station in northwestern Pakistan. (AP Photo/Kashif Naveed) June 26, 2011

A Pakistani firefighter works to extinguish a burning NATO oil tanker after a suspected militant attack on the outskirts of Quetta, Pakistan, Sunday, June 19, 2011. Suspected militants torched an oil tanker carrying fuel for NATO troops in Afghanistan after killing its driver in the southwestern Pakistan. (AP Photo/Arshad Butt) June 19, 2011

A Pakistani policeman looks an injured colleague at a local hospital following an attack by Taliban in the northwestern district of Upper Dir. Hundreds of heavily armed Taliban besieged a Pakistani checkpost on the Afghan border for a second day Thursday, June 2, killing 28 police and six civilians in the deadliest fighting for months. (AFP/Ahsanullah Shakir) June 5, 2011

Residents stand over the caskets of those killed by a secondary blast at the site of a NATO tanker which was attacked in Pakistan's northwest Khyber Agency May 21, 2011. At least 16 people were killed in northwest Pakistan on Saturday after a bomb attack claimed by a militant group hit a truck carrying fuel supplies for NATO forces in Afghanistan, the latest attack in an upsurge in violence since Osama bin Laden was killed. (REUTERS/Stringer) May 21, 2011

Medics assist a man injured in a bomb attack after he was brought to the Lady Reading hospital for treatment in Peshawar May 8, 2011. (REUTERS/K. Parvez ) May 8, 2011

Pakistani internally displaced children who fled their villages with families due to fighting between security forces and militants in tribal area of Bajur along the Afghanistan border, play at a roadside in slums of Islamabad, Pakistan on Wednesday, April 27, 2011. (AP Photo/B.K.Bangash) April 27, 2011

A supporter of Pakistan's Tehreek-e-Insaf or Movement of Justice, takes part in a rally against the U.S. drone strikes in Pakistani tribal areas, Saturday, April 23, 2011, in Peshawar, Pakistan. Pakistan stopped NATO supplies from traveling to Afghanistan on Saturday as thousands of protesters rallied on the main road leading to the border, demanding that U.S. Washington stop firing missiles against militants sheltering inside the country. (AP Photo/Mohammad Sajjad) April 23, 2011

Pakistani families flee their villages, passing through the Khyber area, Tuesday, April 12, 2011, in Pakistan. Violent clashes continue in Tirah Valley of tribal areas in Pakistan, which started eight days ago, when militants belonging to the Lashkar-e-Islam clashed with local Zakhakhel tribe killing many people. (AP Photo/Qazi Rauf) April 14, 2011

a Pakistani firefighter trying to extinguish a fire following an attack on NATO oil tankers in the country. Gunmen on motorbikes attacked two tankers carrying oil for NATO forces in Afghanistan on Wednesday, setting the vehicles ablaze in Pakistan's restive southwest. (AFP/File/A. Majeed) April 6, 2011

A suicide car bomb targeting a police station has killed five people and wounded 25 others in Doaba town, Khyber-Pakhtunkhwa province, on Wednesday, Pakistani police said. (AFP/File/A. Majeed) March 27, 2011

Supporters of Pakistan's religious political parties hold placards as they take part in a protest against the release of CIA contractor Raymond Davis in Karachi March 17, 2011. A Pakistani court on Wednesday acquitted Davis, 36, of murder charges and released him after a deal that involved paying compensation - "blood money" - to the victims' families. Davis shot and killed two men he said were trying to rob him in Pakistani city Lahore on January 27. (REUTERS/Mohsin Raza) March 19, 2011

Medics assist a man injured by a suicide bomb attack at a funeral procession on the outskirts of Peshawar, at Lady Reading Hospital in Peshawar March 9, 2011. (REUTERS/K. Parvez ) March 12, 2011

Pakistani protestors hang an effigy jointly symoblising US President Barack Obama and visiting Senator John Kerry at a demonstration in Karachi. Prime Minister Yousuf Raza Gilani suggested that relatives of two Pakistani men shot dead by a US official might pardon the American, but also said it was for a court to decide the man's fate. ((AFP/File/Arif Ali) February 20, 2011

Pakistani rangers are seen through a damaged truck near the site of a blast inside a road tunnel in Kohat, Pakistan, Saturday, Jan. 29, 2011. Pakistani police said that a car bomb has exploded in a tunnel in northwest Pakistan, killing a number of people. (AP Photo/Mohammad Sajjad) January 30, 2011

Afghan refugee girl Pasmeena Basheer, 5, poses for a photograph at the entrance of a house in a slum on the outskirts of Islamabad, Pakistan, Tuesday, Jan. 25, 2011. (AP Photo/Muhammed Muheisen) January 27, 2011

Injured Pakistani school children are treated at a hospital following a bomb blast in Peshawar on January 19, 2011. The bomb detonated after pupils riding in a horse-drawn cart to school had dismounted, but the driver and his horse were killed in the blast. (AFP/Hasham Ahmed) January 20, 2011

A Pakistani who was wounded when a bus burned by an angry crowd reacting over the target killing of a worker of Pakistan's ethnic political party Muttahida Qaumi Movement, arrives at a hospital in Karachi, Pakistan, Saturday, Jan. 8. 2011. (AP Photo/Fareed Khan) January 9, 2011

Pakistan firefighters work to extinguish a tanker carrying supplies for NATO which was destroyed in an apparent bomb attack, en route to neighboring Afghanistan, at the Pakistani border town of Chaman, Pakistan, Friday, Dec. 31, 2010. (AP Photo/Shah Khalid) January 1, 2011

Pakistan police officers beat a protester in Lahore, Pakistan on Wednesday, Dec. 8, 2010. Hundreds of students marched on Pakistan's provincial Punjab assembly to protest against the privatization of their colleges. (AP Photo) December 12, 2010

A man injured from suicide bomb attacks in Pakistan's Mohmand region in the northwest is helped to the Lady Reading Hospital in Peshawar for treatment December 6, 2010. (REUTERS/Fayaz Aziz) December 07, 2010

Pakistani NGO workers shout slogans against US drone attacks and religious fundamentalism during a protest in Lahore last month. (AFP/File/Arif Ali) December 04, 2010

Pakistani police officials examine a damaged police vehicle following a suicide bomb attack in the town of Bannu, in the northwest of the country, on November 30. The suicide bomber blew himself up near a Pakistani police station, killing six people, including two children. (AFP/Akbar Mehmood) November 30, 2010

Indian students participate in a peace rally in Mumbai to mark the terrorist attack in that city. (AFP/Indranil Mukherjee) November 28, 2010

Ahsan, 12, stands looking over an oven at a brick yard in the outskirts of Islamabad November 23, 2010. Ahsan works with his family members at the brick yard and earns about 300 Pakistan Rupees ($3.50) per day. (REUTERS/Mian Khursheed) November 23, 2010

Supporters of All Pakistan Minorities Alliance chant slogans during a rally against blasphemy laws and demanding to release a Christian woman Asia Bibi who is sentenced to death, Sunday, Nov. 21, 2010, in Lahore, Pakistan. The case against Bibi, which started with a spat over people of different religions drinking from the same cup, has renewed calls for reform of Pakistan's blasphemy law, which critics say have been used to settle grudges, persecute minorities and fan religious extremism. (AP Photo/K.M. Chaudary) November 21, 2010

In this Nov. 1, 2010 picture, villagers walk miles to reach Mingora, Pakistan from Kalam in Pakistan's Swat Valley. Vehicles charge thousands of rupees for transport. The floods that swept through the country began in the northwestern Swat Valley and were at their most ferocious. Only one of 51 bridges survived. Hundreds of homes and businesses were swept away in hours. The floods that hit Pakistan in the summer of 2010 took 2,000 lives and affected 20 million people, of whom 7 million remain homeless. (AP Photo/B.K. Bangash) November 09, 2010

Pakistani hospital staff transport an injured man, victim of militants attacked in police complex, at local hospital in Peshawar, Pakistan, Monday, Nov. 1, 2010. The militants attacked the police complex in the Pakistan northwest town of Swabi. The attack triggered a gunbattle in which two officers and two insurgents were killed. (AP Photo/Mohammad Sajjad) November 01, 2010

Afghan refugee Aisha Daoud, 4, right, and her brother Behrouz, hold a copy of the Quran while taking part in a daily class to learn how to read verses of the Quran at a mosque in a poor neighborhood of Rawalpindi, Pakistan, Tuesday, Oct. 19, 2010. (AP Photo/Muhammed Muheisen) Ocrtober 21, 2010

Afghan refugee children play in an alley of an Afghan colony in the outskirts of Islamabad, Pakistan, Friday, Oct. 15, 2010. Many have never seen their homeland which has been embroiled in decades of war and occupation. (AP Photo/Muhammed Muheisen) Ocrtober 15, 2010

Truck drivers watch as fuel tankers burn after they were set ablaze in Sibi, located in Pakistan's Baluchistan province on October 9, 2010. Gunmen in southwestern Pakistan set fire to nearly 30 tankers carrying fuel for NATO troops in Afghanistan on Saturday. (REUTERS/Stringer) Ocrtober 9, 2010

Pakistan Army soldiers pass by the remains of a United Nations helicopter at Lakha village, Dadu district in Pakistan's Sindh province Saturday, Oct. 2, 2010. The UN helicopter crashed yesterday injuring several people on board. Helicopters are often used to deliver relief goods and rescue people in hard to reach flooded areas in the country. (AP Photo/Aaron Favila) Ocrtober 3, 2010

Yasma, 9, sits with her brothers among the rubble of a house destroyed by floods in Raees Muhammad Pareel village in Sehwan, district of Jamshoro, some 310 km (192 miles) from Karachi, in Pakistan's Sindh province September 26, 2010. (REUTERS/Athar Hussain) September 26, 2010

A Pakistani girl makes toys out of mud at her makeshift tent in Johi village on September 19. The UN has gathered new aid pledges for the Pakistan flood disaster after making a record two billion dollar appeal to feed millions of victims. (AFP/Rizwan Tabassum) September 21, 2010

Pakistan protesters place sandals on flags of the United States and Israel before set the flags on fire during a rally in Karachi, Pakistan Friday, Sept. 17, 2010 held against a reported Quran desecration in the United States. (AP Photo/Fareed Khan) September 19, 2010

A Pakistani woman washes cloths at a relief camp in Nowshera, Pakistan's northwest Khyber-Pakhtunkhwa Province September 12, 2010. (REUTERS/Morteza Nikoubazl) September 12, 2010

A Pakistan boy waits for relief goods outside his home in the remote village of Qasba Bhati Wala, at Murzaffargarh district, Punjab province, Pakistan on Thursday Sept. 2, 2010. The floods, which swamped wide swathes of the country, have left nearly 8 million people in need of aid, according to government figures. (AP Photo/Aaron Favila) September 3, 2010

Flood-affected twins, suffering from diarrhoea, are treated at a hospital in Jamshoro in Pakistan's Sindh province on August 25. Pakistan ordered nearly half a million people to evacuate towns on Thursday as rising floods threaten further havoc in a country straining to cope after its worst humanitarian disaster. (AFP/Asif Hassan) August 26, 2010

Pakistan flood-affected people battle for relief food distribute by a local charity in Sukkur, in southern Pakistan, Saturday, Aug. 21, 2010. About 150,000 Pakistanis were forced to move to higher ground as floodwaters from a freshly swollen Indus River submerged dozens more towns and villages in the south, a government spokesman said. ((AP Photo/Fareed Khan) August 22, 2010

A boy suffers from diarrhea lies at a local in Sukkar, Pakistan on Tuesday, Aug. 17, 2010. Many of about 20 million people affected by flooding in Pakistan have yet to receive any assistance despite a growing international relief effort, the U.N. said. (AP Photo/Shakil Adil) August 17, 2010

Residents of Sukkur in Pakistan work to reinforce the embankment of Sindh river to avoid flood water enter the city on Tuesday, Aug. 10, 2010. The U.N., relying on Pakistani figures, says the number of people affected by flooding over the past two weeks is 13.8 million — more than the combined total of the 2004 Indian Ocean tsunami, the 2005 Kashmir earthquake and the 2010 Haiti earthquake, although the death toll in each of those disasters was much higher than the 1,500 people killed in the floods. (AP Photo/Shakil Adil) August 11, 2010

Pakistan villagers with their belongings travel to saver place from a flood-hit area of Muzaffargarh, near Multan, in central Pakistan on Saturday, Aug. 7, 2010. More rain soaked flood-ravaged Pakistan on Saturday and even heavier downpours were forecast for coming days, deepening a crisis in which hard-line Islamists have rushed to fill gaps in the government's patchy response. (AP Photo/K.M. Chaudaryl) August 08, 2010

Pakistan army soldiers help people to ford a water course as they flee their village flooded by heavy monsoon rains in Taunsa near Multan, Pakistan, on Sunday, Aug. 1, 2010. The death toll from massive floods in northwestern Pakistan rose to 1,100 Sunday as rescue workers struggled to save thousands more people still trapped by the raging water. (AP Photo/Khalid Tanveer) August 02, 2010

Pakistani rescue workers unload an injured person from an ambulance at a local hospital in Peshawar, Pakistan on Monday, July 26, 2010. A suicide bomber struck Monday near the home of a Pakistani provincial minister whose only son was recently killed by suspected Islamist militants. (AP Photo/Mohammad Iqbal) July 26, 2010

People wade through a flooded street after heavy monsoon rainfall in Lahore, Pakistan on Tuesday, July 20, 2010. (AP Photo/K.M. Chaudary) July 20, 2010

A Pakistani cameraman films a cave at a complex dug into rocky mountains and used by Pakistani militants in northwestern Kurram tribal district close to the Afghan border on July 6. Pakistan's political heartland has ordered a crackdown on militants after a series of devastating attacks and accusations of links to banned groups. (AFP/File/Aamir Qureshi) July 14, 2010

A Pakistani police officer examines the damaged cars after an explosion in Peshawar, Pakistan on Wednesday, July 7, 2010. A bomb planted in a car showroom went off damaging more than dozen vehicles in Peshawar. (AP Photo/Mohammad Sajjad) July 8, 2010

Poor Pakistani people enjoy subsidized food in Rawalpindi, Pakistan on Wednesday, June 30, 2010. As Pakistan's economy continues to decline, surging prices on daily commodities are dragging more people into poverty, fueling political tensions and forcing some to give up eating items such as meat and fruit. (AP Photo/B.K.Bangash) July 1, 2010

Pakistani boys buy grilled chicken from a street vendor at a Christian colony in Islamabad, Pakistan, Tuesday, June 29, 2010. (AP Photo/Dita Alangkara) June 29, 2010

Afghan children rest in a hospital after being injured when their makeshift school collapsed during a storm near Jalalabad, east of Kabul, Afghanistan, Wednesday, June 23, 2010. Six children died and over twenty were hurt when a makeshift school collapsed at a refugee camp in Khogyani district just outside the town of Jalalabad. (AP Photo/Rahmat Gul) June 24, 2010

Pakistan police officers and army soldier gather at the site of a bomb blast in Quetta, Pakistan on Sunday, June 20, 2010. A bomb planted in a parked car went off when an army vehicle passing by a main road in the Pakistani southwestern city of Quetta, injuring eight people, police said. (AP Photo/Arshad Butt) June 20, 2010

Pakistani students, who were rescued from Kyrgyzstan, arrive at Chaklala airbase in Rawalpindi, Pakistan on Tuesday, June 15, 2010. Thousands of refugees have fled ethnic violence that began last week in southern Kyrgyzstan. (AP Photo/B.K.Bangash) June 15, 2010

Supporters of Pakistan's banned religious party Jamat-ud-Dawa listens to the speech of their leader during an anti Israeli and its allies rally in Lahore, Pakistan on Sunday, June 13, 2010. (AP Photo/K.M. Chaudary) June 13, 2010

Pakistani soldiers stand guard at the site of a blast in Karachi, Pakistan on Thursday, June 10, 2010. Police say a roadside bomb has killed person and wounded three in the southern Pakistani port city of Karachi. (AP Photo/Fareed Khan) June 11, 2010

Pakistani boys play cricket in slums of Lahore, Pakistan on Tuesday, June 8, 2010. (AP Photo/K.M.Chaudary) June 10, 2010

Pakistani drivers examine burnt trucks torched by suspect militants in an attack on early Wednesday, June 9, 2010 in Sangjani, near Islamabad, Pakistan. Suspected militants attacked trucks carrying military vehicles and goods for foreign forces in Afghanistan close to the Pakistani capital. (AP Photo/Anjum Naveed) June 9, 2010

Women and children receive free food distributed at the shrine of Muslim Saint Data Ganj Bakhsh in Lahore June 6, 2010 (REUTERS/Mohsin Raza ) June 6, 2010

Pakistani and Afghan refugee children play in a poor neighborhood on the outskirts of Islamabad, Pakistan, Wednesday, June 2, 2010. (AP Photo/Vincent Thian) June 2, 2010

Pakistani residents gather beside the wreckage of vehicles following a bomb attack in Dera Ismail Khan. A bomb planted on a bicycle killed 12 people in northwestern Pakistan on Tuesday, targeting police in the latest assault on security forces battling Taliban and Al-Qaeda-linked militants. (AFP/Naseer Azam) May 18, 2010

Protesters from the troubled Pakistani region of Waziristan stage a protest near the country's parliament in Islamabad. Pakistani officials have put the death toll from the latest round of US drone attacks at 14, after a series of strikes on a militant compound. (AFP/File/Farooq Naeem) May 11, 2010

Supporters of Pakistan Islamist party Pasban hold a placard and chant anti-American slogans during a protest in Karachi May 6, 2010, against the arrest of Faisal Shahzad, a Pakistani-American held in New York on suspicion of driving a bomb-laden car into Times Square. Pakistani Interior Minister Rehman Malik said on Thursday he thought it was unlikely that a Pakistani-American arrested over a failed plot to bomb New York's Times Square had acted alone. (REUTERS/Athar Hussain) May 8, 2010

Pakistani volunteer and officials shift an injured bomb blast victim from an ambulance in Quetta. A suicide bomber blew himself up at the entrance to a busy market in the main town of northwest Pakistan's Swat district, killing three people and wounding 12 others. (AFP/Banaras Khan) May 1, 2010

A Pakistani Christian woman prays during an Easter Mass at a church in a Christian neighborhood of Islamabad, Pakistan, Sunday, April 4, 2010. Pakistani Christians, who account for about 3.8 million of Pakistan's 140 million people, are celebrating Easter along with other Christian nations. (AP Photo/Muhammed Muheisen) April 4, 2010

Pakistani Christians are seen before attending a mass on Orthodox Palm Sunday, at Fatima Church in Islamabad, Pakistan, Sunday, March 28, 2010. Palm Sunday. (AP Photo/Muhammed Muheisen) March 31, 2010

Afghan refugee women, walk through a neighborhood on the outskirts of Islamabad, Pakistan, Saturday, March 27, 2010. (AP Photo/Muhammed Muheisen) March 29, 2010

A man offers Afghan refugee children sweets in an alley of a poor neighborhood of Rawalpindi, Pakistan, Saturday, March 27, 2010. (AP Photo/Muhammed Muheisen) March 28, 2010

People rush Pakistani professor Fazal Bari who is seriously injured, and later died, to a hospital in Quetta, Pakistan on Monday, March 22, 2010. Two gunmen shot professor and his driver at the gate of the college where he taught, police said. (AP Photo/Arshad Butt) March 23, 2010

Local residents look at a burning police vehicle after a bomb explosion in Quetta, Pakistan on Sunday, March 21, 2010. Police say a bomb planted on a bicycle exploded as a police van passed by in the city of Quetta, the capital of the insurgency-hit southwestern province of Balochistan, killing at least three people and injuring 12 more. (AP Photo/Arshad Butt) March 21, 2010

Sahil Saeed (right) with his father Raja Naqqash Saeed in Islamabad on March 18. Fve-year-old British boy Sahil Saeed was reunited with his overjoyed father Thursday following a nearly two-week kidnapping ordeal in Pakistan, playing football in high spirits and smothered in hugs. (AFP) March 18, 2010

Akila Naqqash, the mother of five-year-old British boy Sahil Saeed celebrates the news that her son has been freed at her home in Oldham, northwest England. The bo, kidnapped at gunpoint during a family holiday in Pakistan nearly two weeks ago, has been released safe and sound and is waiting to be reunited with his mother. (AFP/Pool/Dave Thompson) March 16, 2010

Pakistani Shaneem Ramzan, 4, poses for a photo, outside her family's makeshift tent, in a slum in Islamabad, Pakistan, Sunday, March 14, 2010. Slums which are built on illegal lands have neither running water or sewage disposal. (AP Photo/Muhammed Muheisen) March 15, 2010

A policeman looks for evidence in an office of the World Vision aid agency after militants attacked it in Mansehra district, located in Pakistan's restive North West Frontier Province, March 10, 2010. (REUTERS/Abrar Tanoli) March 11, 2010

Women take part in a working women's rally in Lahore March 7, 2010, ahead of International Women's Day on March 8. (REUTERS/Mohsin Raza ) March 7, 2010

An Afghan refugee girl holds a bouquet of wilted flowers she found on the ground with her family's makeshift house in the background in an alley of a poor neighborhood of Rawalpindi, Pakistan, Thursday, March 4, 2010. (AP Photo/Muhammed Muheisen) March 5, 2010

Soldiers walk through a cave, which the Pakistan Army said was built and used by the Pakistan Taliban in Damadola, located in Bajaur Agency in Pakistan's Federally Administered Tribal Areas (FATA) along the Afghan border March 2, 2010. (REUTERS/Adrees Latif) March 3, 2010

People pass an oil tanker attacked by alleged militants in Peshawar, Pakistan on Monday, March 1, 2010. Pakistani militants have attacked the tanker carrying fuel to NATO and US forces in Afghanistan. (AP Photo/Mohammad Sajjad) March 1, 2010

Pakistani and Afghan refugee men are seen attending Muslim's Maghreb or dusk prayer next to a grocery store in Islamabad, Pakistan, Monday, Feb. 22, 2010. (AP Photo/Muhammed Muheisen) February 24, 2010

Namuna, 8, and younger brother Maaz, 3, take part in a rally in Islamabad, together with hundreds of supporters of the religious political party Jamaat-e-Islami, as they called for the U.S. government to release Aafia Siddiqui, on February 21, 2010. Siddiqui, a Pakistani neuroscientist, was recently convicted of assault with a deadly weapon and attempting to kill U.S. soldiers and Federal Bureau of Investigation agents who were seeking to interrogate her while she was in custody in Afghanistan. The placard in Urdu reads, "feel ashamed." (REUTERS/Adrees Latif) February 21, 2010

Family members stand over their relative, who was injured by a bomb blast in Pakistan's Khyber region, after he was brought for treatment at the Lady Reading hospital in Peshawar on February 18, 2010. A bomb in a village in the Khyber region on the Afghan border killed 30 people, including the commander of a militant faction which is not part of Pakistan's main Taliban alliance, security officials said. (REUTERS/Fayaz Aziz) February 19, 2010

Afghan refugee children, gather in a poor neighborhood of Rawalpindi, Pakistan, Tuesday, Feb. 17, 2010. (AP Photo/Muhammed Muheisen) February 17, 2010

Supporters of Pakistan's former Prime Minister Nawaz Sharif burn an effigy of Pakistan's President Asif Ali Zardari during a protest rally in Lahore, Pakistan on Monday, Feb. 15, 2010. The country's leading opposition figure, Nawaz Sharif, said President Asif Ali Zardari's decision to appoint two judges opposed by the court showed he was 'the biggest threat to democracy.' (AP Photo/ K.M.Chaudary) February 15, 2010

Pakistani vendors, selling heart shaped balloons for upcoming Valentine's Day, wait for customers on the roadside of Islamabad, Pakistan, Saturday, Feb. 13, 2010. Celebrating Valentine's Day is considered un-Islamic in Pakistan, but many still buy flowers and exchange gifts with others at this time of year. (AP Photo/Muhammed Muheisen) February 13, 2010

A person carries a girl injured by a suicide bombing in Bannu, Pakistan Thursday, Feb. 11, 2010. Two suicide bombers struck outside a police complex in northwest Pakistan on Thursday, killing 15 people. (AP Photo/Muhammad Ijaz) February 12, 2010

Afghan refugee girls gather in a poor neighborhood of Rawalpindi, Pakistan, Saturday, Jan. 16, 2010.
(AP Photo/Muhammed Muheisen) January 17, 2010

Pakistani women wash their laundry in a stream, in Islamabad, Pakistan, Thursday, Dec. 31, 2009. (AP Photo/Muhammed Muheisen) December 31, 2009

Pakistani Christians attend Christmas service at a local church in Pakistan's troubled city of Peshawar on Friday, Dec. 25, 2009. (Mohammad Sajjad) December 26s, 2009