A suicide bomber, who exploded himself during the attack on Kamra Airbase, has been identified as Faisal Shahzad, resident of Taxila, leading to the arrest of his two brothers in connection with the attack. A private news television reported on Sunday that the police had arrested 16 people, including two brothers of Shahzad and a retired Pakistan Air Force (PAF) official, during raids in various parts of Punjab and Khyber Pakhtunkhwa after the identification of the suicide bomber. “Investigation agencies have found key evidences and information from the cell phones which were recovered from the bomber,” sources said.