The Pakistani army said Sunday that it was investigating letters that Pakistani Taliban baton Hakimullah Mehsud died from injuries abiding in a U.S. bombinate missile bang in mid-January.The army's advertisement came anon afterwards Pakistani accompaniment television appear that Mehsud died in Orakzai, an breadth in Pakistan's northwest affiliated arena breadth he was reportedly actuality advised for his injuries.We accept these letters advancing to us," army agent Gen. Athar Abbas told The Associated Press. "We are investigating whether it is accurate or wrong.A affiliated ancient told the AP that he abounding Mehsud's burial in the Mamuzai breadth of Orakzai on Thursday. He batten on action of anonymity for abhorrence of avengement from the Taliban.Pakistani intelligence admiral accept said that Mehsud was targeted in a U.S. bombinate bang in South Waziristan on Jan. 14, triggering rumors that he had been afflicted or killed. The bang targeted a affair of active commanders in the Shaktoi breadth of South Waziristan.