Mehsud moved to safe area for medical treatment , a source says . The Yemen-based group al Qaeda in the Arabian Peninsula has claimed responsibility for the Christmas Day plot . Mehsud appeared in a video released Saturday by Pakistani Taliban . He was pictured next to suicide bombers who killed seven CIA agents . Shot dead in another suspected drone strike in North Waziristan .
Mehsud moved to safe area for medical treatment , a source says . Mehsud appeared in a video released Saturday by Pakistani Taliban . He was pictured next to suicide bombers who killed seven CIA agents . Shot dead in another suspected drone strike in North Waziristan .