But officials told CNN the noise was from fire-heated chemical containers exploding . The bodies of 7 cargo workers are found in rubble near a cold storage facility at the airport . 10 others were killed in the airport attack , including 7 militants , officials say . TTP , or TTP , say the attack is revenge for the death of Mehsud . Hakimullah Mehsud , a former TTP chief , was killed by a U.S. drone strike in 2013 .
The bodies of 7 cargo workers are found in rubble near a cold storage facility at the airport . 10 others were killed in the airport attack , including 7 militants , officials say . TTP , or TTP , say the attack is revenge for the death of Mehsud . Hakimullah Mehsud , a former TTP chief , was killed by a U.S. drone strike in 2013 .