MIRAMSHAH, Sept 5: Four suspected militants were killed and another two injured in a US drone strike in North Waziristan tribal region near the border with Afghanistan late on Thursday night, sources said.

They said the pilot-less plane fired two missiles at a house in Darga Mandi area of Ghulam Khan tehsil, around 8km from Miramshah, the administrative headquarters of North Waziristan.

Four suspected militants were killed and two others injured in the attack that took place at around 12:30am, they said, adding that their names could not be ascertained immediately.