FILE - In this Saturday, Aug. 1, 2015 file photo, shows Taliban leader Mullah Mansour.  The U.S. conducted an airstrike Saturday, May 21, 2016, against the Taliban leader the Pentagon said, and a U.S. official said Mansour was believed to have been killed. Pentagon press secretary Peter Cook said the attack occurred in a remote region along the Afghanistan-Pakistan border. He said the U.S. was studying the results of the attack.  (AP Photo/Rahmat Gul, File)

Taliban leader killed in US drone strike

The Afghan government and a senior Taliban commander confirmed that the extremist group’s leader, Mullah Mohammed Akhtar Mansour, has been k…