Islamabad strongly protesting the US drone attacks in North Waziristan has termed them violation of Pakistan's sovereignty and territorial integrity. Pakistan has strongly protested the drone attacks in North Waziristan on Saturday morning. In a statement‚ Foreign Office spokesman said Pakistan has consistently maintained that these attacks are a violation of its sovereignty and territorial integrity. He said these are also in contravention of international law. As reported earlier‚ six people were killed in the US drone attack on the Shawwal area of North Waziristan on Saturday. According to reports‚ the drone fired two missiles that damaged a house and a vehicle.