The drones fired two missiles at a house and a vehicle in Mir Ali area of North Waziristan, believed to be a stronghold of militants, Xinhua reported citing local media.
Sunday's drone strike was the 51st in Pakistan in 2011. A total of 455 people, most of whom believed to be militants, have been killed in the strikes.
Published 11 September 2011, 14:55 IST