Pakistan says school attack mastermind killed by US drone

In this Dec. 17, 2014 file photo, a Pakistan army soldier inspects the Army Public School that was attacked a day before by Taliban gunmen, in Peshawar, Pakistan. The Pakistani army said Wednesday, July 13, 2016 that the mastermind of the 2014 attack on an army-run school has been killed in a U.S. drone strike. A Pakistani military spokesman says that a U.S. Army general confirmed the death of Taliban leader Khalifa Umar Mansoor in a phone call to Pakistan's army chief.