A US drone strike on Friday killed at least six militants in North Waziristan, local security officials said. The strike hit a militant compound in outskirts of Miranshah, the main town in North Waziristan district, a known hub for Taliban and Al-Qaeda linked militants. "US drone fired two missile on a house used by militants as a compound, six militants have been killed and three wounded in this attack" a security official in Peshawar told a foreign news agency by telephone. Two intelligence officials in Miranshah also confirmed the attack and the toll, saying all those killed were local militants.