The drone fired two missiles on a suspect vehicle and initial reports suggest three militants were killed, said a security official, requesting anonymity.

Another official confirmed the attack and said it took place about 10 kilometres (six miles) east of Miranshah, the main town in North Waziristan, a region infested by Taliban and Al Qaeda linked militants.

A security official in Peshawar city said the missile targeted a moving car and killed three militants.