"Three rockets were fired. Two landed inside Peshawar airport and another hit a vehicle (outside). So far, two people have been killed and 22 wounded," Imran Shahid, a senior police official, told AFP.

It was not immediately clear where in the airport the rockets landed and the extent of the damage.

Mian Iftikhar Hussain, information minister of Khyber Pakhtunkhwa confirmed the attack and the same casualty toll.

Two airport officials told AFP that the airport had been closed as a result of the attack and that all flights had been cancelled.

There was no immediate claim of responsibility of the attack.