Two explosives-laden drones crashed into the IAF station at Jammu airport in the early hours of Sunday, perhaps the first time that suspected Pakistan-based terrorists have used unmanned aerial vehicles in an attack, officials said.

Two Indian Air Force personnel were injured in the explosions that took place around 1.40 am within six minutes of each other. The first blast ripped off the roof of a single-storey building at the high security technical area of the airport manned by the IAF in Satwari area of the city. The second one was on the ground, the officials said.