Families sit in the back of a vehicle as they flee a military offensive and enter Bannu
Families sit in the back of a vehicle as they flee a military offensive against the Pakistani Taliban and enter Bannu January 21, 2014. Pakistani fighter jets and helicopters attacked suspected Taliban hideouts in a tribal area on the Afghan border on Tuesday, killing up to 40 people, military sources and residents said, after a wave of insurgent attacks against security forces. It was the first time the air force has resorted to fighter jets in the volatile region since it struck a ceasefire agreement with local Taliban chiefs in 2007. Air strikes also hit the nearby tribal region of Kurram. REUTERS/Zahid Mohammad (PAKISTAN - Tags: CIVIL UNREST MILITARY POLITICS)
A boy looks from the window of van while entering Bannu
A boy looks from the window of van as he sits with his family while fleeing a military offensive against the Pakistani Taliban and enter Bannu January 21, 2014. Pakistani fighter jets and helicopters attacked suspected Taliban hideouts in a tribal area on the Afghan border on Tuesday, killing up to 40 people, military sources and residents said, after a wave of insurgent attacks against security forces. It was the first time the air force has resorted to fighter jets in the volatile region since it struck a ceasefire agreement with local Taliban chiefs in 2007. Air strikes also hit the nearby tribal region of Kurram. REUTERS/Zahid Mohammad (PAKISTAN - Tags: CIVIL UNREST MILITARY POLITICS)
Residents sit in the back of a truck as they enter Bannu
Residents sit in the back of a truck, while fleeing a military offensive against the Pakistani Taliban, as they enter Bannu January 21, 2014. Pakistani fighter jets and helicopters attacked suspected Taliban hideouts in a tribal area on the Afghan border on Tuesday, killing up to 40 people, military sources and residents said, after a wave of insurgent attacks against security forces. It was the first time the air force has resorted to fighter jets in the volatile region since it struck a ceasefire agreement with local Taliban chiefs in 2007. Air strikes also hit the nearby tribal region of Kurram. REUTERS/Zahid Mohammad (PAKISTAN - Tags: CIVIL UNREST MILITARY POLITICS)
Families sit in a van with their belongings as they enter Bannu
Families sit in a van with their belongings, while fleeing a military offensive against the Pakistani Taliban, as they enter Bannu January 21, 2014. Pakistani fighter jets and helicopters attacked suspected Taliban hideouts in a tribal area on the Afghan border on Tuesday, killing up to 40 people, military sources and residents said, after a wave of insurgent attacks against security forces. It was the first time the air force has resorted to fighter jets in the volatile region since it struck a ceasefire agreement with local Taliban chiefs in 2007. Air strikes also hit the nearby tribal region of Kurram. REUTERS/Zahid Mohammad (PAKISTAN - Tags: CIVIL UNREST CRIME LAW MILITARY POLITICS)
Relatives of a female polio vaccination worker, who was killed by unidentified gunmen, mourn outside a morgue in Karachi
Relatives of a female polio vaccination worker, who was killed by unidentified gunmen, mourn outside a morgue in the Jinnah Post Graduate Medical Center in Karachi January 21, 2014. Three polio eradication workers, including two women, were shot dead by armed men on motorcycles during a vaccination drive on Tuesday in Qayyumabad, eastern Karachi, said senior police officer Usman Bajwa. REUTERS/Athar Hussain (PAKISTAN - Tags: HEALTH CIVIL UNREST CRIME LAW)
Relatives of a female polio vaccination worker, who was killed by unidentified gunmen, mourn outside a morgue in Karachi
Relatives of a female polio vaccination worker, who was killed by unidentified gunmen, mourn outside a morgue in the Jinnah Post Graduate Medical Center in Karachi January 21, 2014. Three polio eradication workers, including two women, were shot dead by armed men on motorcycles during a vaccination drive on Tuesday in Qayyumabad, eastern Karachi, said senior police officer Usman Bajwa. REUTERS/Athar Hussain (PAKISTAN - Tags: HEALTH CIVIL UNREST CRIME LAW)
Children gather near blood stains at the site where polio vaccination workers were killed by unidentified gunmen in Karachi
Children gather near blood stains at the site where polio vaccination workers were killed by unidentified gunmen in Karachi January 21, 2014. Three polio eradication workers, including two women, were shot dead by armed men on motorcycles during a vaccination drive on Tuesday in Qayyumabad, eastern Karachi, said senior police officer Usman Bajwa. REUTERS/Athar Hussain (PAKISTAN - Tags: HEALTH CIVIL UNREST CRIME LAW)