ISLAMABAD , Pakistan ( CNN ) -- A military offensive to rid Pakistan 's northwest of al Qaeda and Taliban fighters has killed more than 1,000 militants since it began in full force earlier this month , the country 's interior ministry said Sunday . A Pakistani girl displaced by the offensive against the Taliban rests at a camp Saturday north of Islamabad . Officials also said that only 2 percent of the North West Frontier Province remains under Taliban control as a result of the operation . Both claims were difficult to verify independently . The government did not say whether the operation resulted in civilian casualties , or how many people it displaced . The United Nations said Saturday that more than a million people have been displaced as a result of the two-week-old offensive . The U.S-led coalition and NATO -- based in Afghanistan -- have long said Pakistan is not being proactive enough in battling militants who are launching attacks from Pakistan 's swath of tribal areas along the border . Pakistan has denied the claim . But the country 's military launched an intense operation to rout out militants from the area after Taliban fighters took control of a district just 60 miles from the capital , Islamabad . The control of the Buner district brought the Taliban closer to the capital of the nuclear-armed country than it had been since it mounted its insurgency . Watch car bomb , drone attack in Pakistan » .
Pakistani troops fighting to oust Taliban militants from volatile province . U.S-led coalition and NATO , based in Afghanistan , have long criticized Pakistan . The U.S. has also accused the country of supporting militant groups that attack its forces on Afghan soil. Pakistan has denied the claims , has launched operations to rout out militants .