Islamabad, Dec 26, IRNA Security officials in Pakistan said an American spy aircraft killed at least four foreigners in North Waziristan tribal region early Thursday.
The drone aircraft in a pre-dawn strike fired two missiles on a house at Qutab Khel area near Miranshah, the headquarters of North Waziristan.
Section of Pakistani media said all those killed were Arab nationals.
Local tribesman said they woke up as they heard two loud explosions. They said they avoid rushing to the site for rescue operation as the US drones usually target the rescue teams.
They said drone aircraft were also flying over the area after the strike.
The Thursdays strike occurred after a three-week lull which reflects the U.S. mood of no change in the covert mission.
The ruling coalition in northwester Khyber Pakhtunkhwa province has blocked supplies for NATO troops in Afghanistan against the drone attacks.