A preliminary investigation report on the August 16 attack on Pakistan Air Force’s (PAF) Kamra air base was compiled on Saturday which claimed that the attackers had no inside help.

According to the report the weapons used by the attackers were of Russian origin and that the militants used five hand grenades and fired three rocket propelled grenades (RPG)s in the attack.

During inspections, investigators also collected 223 spent casings of AK-47 rifles used by the assailants in the attack. Two of the attackers have been identified and one of them was reported to be a resident of Taxila.