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An Afghan refugee girl washes a bed in a polluted stream, in a poor neighborhood on the outskirts of Islamabad, Pakistan, Tuesday, Sept. 30, 2014.

Muhammed Muheisen/AP

An Afghan refugee girl washes a bed in a polluted stream, in a poor neighborhood on the outskirts of Islamabad, Pakistan

A Pakistani youth, who was Internally Displaced from Pakistan's tribal areas, sleeps on a bed to escape the heat trapped in his mud home, near a wholesale fruit and vegetable market where he works, on the outskirts of Islamabad, Pakistan, early Monday, Sept. 22, 2014.

Muhammed Muheisen/AP

An youth displaced from Pakistan’s tribal areas sleeps outdoors near the wholesale fruit and vegetable market where he works on the outskirts of Islamabad, Pakistan, to escape the heat in his mud hut

Anti-government protesters take shelter under plastic sheet during heavy rain in morning, in front of President's house in the Red Zone during the Revolution March in Islamabad...Anti-government protesters take shelter under a plastic sheet during heavy rain in the morning, in front of the President's house in the Red Zone during the Revolution March in Islamabad September 4, 2014. Pakistan's protest leaders demanding Prime Minister Nawaz Sharif's resignation prepared to resume talks with the government on Wednesday, reviving hopes for a negotiated solution to a crisis that has shaken the coup-prone nation.

Zohra Bensemra/Reuters

Anti-government protesters take shelter under a plastic sheet during heavy morning rain in front of the president’s house in the army guarded ‘red zone’, Islamabad

Pakistani army soldiers stand alert inside the parliament building during an emergency session in Islamabad, Pakistan, Tuesday, Sept. 2, 2014. Lawmakers met over the political crisis roiling the country as thousands of anti-government protesters remained camped out in front of the parliament building, demanding Prime Minister Nawaz Sharif resign.

B.K. Bangash/AP

Pakistani army soldiers stand alert inside the parliament building during an emergency session in Islamabad, Pakistan. Lawmakers met over the political crisis roiling the country as thousands of anti-government protesters remained camped out in front of the parliament building, demanding Prime Minister Nawaz Sharif resign.

Supporters of Tahir ul-Qadri, a Sufi cleric and leader of Pakistan Awami Tehreek (PAT) party, help a fellow supporter who is injured, during the Revolution March in Islamabad September 1, 2014. Pakistani soldiers and paramilitary forces entered the headquarters of the state television channel PTV in Islamabad on Monday after a crowd of protesters stormed the building and took the channel off the air. Protesters led by opposition leaders Imran Khan, a hero cricket player turned politician, and ul-Qadri, a firebrand cleric, have been on the streets for weeks trying to bring down the government of Prime Minister Nawaz Sharif.

Zohra Bensemra/Reuters

Supporters of Tahir ul-Qadri, a Sufi cleric and leader of Pakistan Awami Tehreek party, help a fellow supporter who is injured, during the Revolution March in Islamabad on Monday

Pakistani child, Harris Khan, 4, wearing a millitary uniform and holding a toy gun, poses for a picture while he and other Pakistanis celebrate the 68th Independence Day, in Islamabad, Pakistan, Thursday, Aug. 14, 2014. (AP Photo/Muhammed Muheisen)

Muhammed Muheisen/AP

Pakistani child, Harris Khan, 4, wearing a military uniform and holding a toy gun, poses for a picture while he and other Pakistanis celebrate the 68th Independence Day, in Islamabad, Pakistan.

A girl drags her goat heading back home through a main road empty of traffic and full of children playing, after being blocked by the Pakistani police with shipping containers, on the outskirts of Islamabad, Pakistan, Thursday, Aug. 14, 2014. Roads leading to the Capital are being blocked in run up to announced protests by cricketer-turned-politician Imran Khan and anti-government cleric Tahir-ul-Qadri. Both men want the government to step down and new elections to be held. (AP Photo/Muhammed Muheisen)

Muhammed Muheisen/AP

A girl and her goat head home down an empty main road full of children playing. The police blocked the road, on the outskirts of Islamabad, Pakistan, with shipping containers

An Afghan refugee child, plays with a kite on the outskirts of Islamabad, Pakistan, Monday, Aug. 11, 2014. (AP Photo/Muhammed Muheisen)

Muhammed Muheisen/AP

An Afghan refugee child, plays with a kite on the outskirts of Islamabad, Pakistan, on Monday

Pakistani day laborer Hassanain Ahmad, 17, cools off under a water supply pipe as the temperature rises in Islamabad, Pakistan, Monday, June 2, 2014. Temperatures reached 39 degrees Celsius (102.2 degrees Fahrenheit)

Muhammed Muheisen/AP

Pakistani day laborer Hassanain Ahmad cools off under a water supply pipe as the temperature rises in Islamabad, Pakistan to 39 degrees on Monday

People comfort a relative of the victim of a bomb blast at a hospital in Islamabad, Pakistan, 09 April 2014. At least 23 people were killed when a bomb ripped through the crowded market in Islamabad on 09 April, amid a fragile ceasefire between the government and Islamist militants. More than three dozen people were injured in the attack.

Sohail Shahzad/EPA

People comfort a relative of one of the victims of a bomb blast in Islamabad, Pakistan. At least 23 people were killed when a bomb ripped through a crowded market in Islamabad on Wednesday, amid a fragile ceasefire between the government and Islamist militants.