A U. S. drone strike has left at least four people dead in Pakistan ' s northwest tribal area of North Waziristan.U. S. drones fired missiles on Sunday evening, local Urdu TV channel Express reported.The attack took place in Datta Khel town, 35 kilometers(22 miles) west of Miranshah, the main town in the North Waziristan region which borders Afghanistan. XinhuaFACTS & FIGURES
Last year, Pakistani Interior Minister Rehman Malik said that an overwhelming majority of those killed by U. S. UAV strikes in Pakistan are innocent civilians. RTLast month, a UN envoy said U. S. drone attacks violate Pakistan ' s sovereignty. AFP

Ben Emmerson, the UN special rapporteur on human rights and counter - terrorism, said the Pakistani government made clear to him that it does not consent to the strikes - a position that has been disputed by U. S. officials. AP

The United States has carried out more than 360 assassination drone attacks in Pakistan since 2004, killing about 3,500 people, according to a recent study by the London - based Bureau of Investigative Journalism.A report on the secret drone war in Pakistan says the attacks have killed far more civilians than acknowledged, traumatized a nation and undermined international law. In “Living Under Drones”, researchers conclude the drone strikes “terrorize men, women, and children, giving rise to anxiety and psychological trauma among civilian communities, ” Democracy NowAfter Barack Obama won the presidency in the U. S. in 2008, the drone strikes escalated and soon began occurring almost weekly, later nearly daily, and so became a permanent feature of life for those living in the tribal borderlands of northern Pakistan. Democracy Now