A rescuer transfers an injured man to a hospital in northwest Pakistan's Peshawar on Feb. 18, 2013. At least seven people including five security personnel were killed and seven others injured on Monday in a terrorist attack at a government office in Peshawar, local media and officials said. (Xinhua/Umar Qayyum)

An injured man receives medical treatment at a hospital in northwest Pakistan's Peshawar on Feb. 18, 2013. At least seven people including five security personnel were killed and seven others injured on Monday in a terrorist attack at a government office in Peshawar, local media and officials said. (Xinhua/Umar Qayyum)

Rescuers transfer the body of a victim to a hospital in northwest Pakistan's Peshawar on Feb. 18, 2013. At least seven people including five security personnel were killed and seven others injured on Monday in a terrorist attack at a government office in Peshawar, local media and officials said. (Xinhua/Umar Qayyum)

Pakistani soldiers transfer coffins to a hospital in northwest Pakistan's Peshawar, on Feb. 18, 2013. At least seven people including five security personnel were killed and seven others injured on Monday in a terrorist attack at a government office in Pakistan's northwestern provincial capital of Peshawar, local media and officials said. (Xinhua/Umar Qayyum)

Pakistani security officers and rescuers gather at the attack site in northwest Pakistan's Peshawar, on Feb. 18, 2013. At least seven people including five security personnel were killed and seven others injured on Monday in a terrorist attack at a government office in Pakistan's northwestern provincial capital of Peshawar, local media and officials said. (Xinhua/Umar Qayyum)