Pakistani children light candles outside an army-run school attacked by Taliban militants in northwest Pakistan's Peshawar on Dec. 19, 2014. At least 32 militants were killed when Pakistani army launched a ground operation against them in the country's northwest tribal area of Khyber Agency on Friday, military said, after Taliban brutally killed 141 people including 132 school kids in the school earlier on Tuesday. (Xinhua/Umar Qayyum)