Abdullah Khan was a key leader and trainer of suicide bombers in the group . His execution comes amid deadly infighting between militants with the Taliban . It 's the first split since the TTP -- a coalition of militant groups -- was founded in 2007 , seeking to establish its version of sharia law across Pakistan . No group has claimed responsibility for the attacks in the North Waziristan .
Abdullah Khan was a key leader and trainer of suicide bombers in the group . His execution comes amid deadly infighting between militants with the Taliban . No group has claimed responsibility for the attacks in the North Waziristan .