Video Related To: We will crack down on militants, impatient US warns reluctant Pakistan

General Beg demands right for Pakistan Air Force to shoot down ISAF copters, drones paffalcons.com Pakistan closed a vital transit link for NATO supplies for the war in Afghanistan on Thursday in apparent retaliation for an attack by coalition helicopters on a Pakistani security post hours earlier. Trucks and oil tankers were stopped at the border post of Torkham just north of Peshawar and it was unclear when the post would reopen, a Pakistani security official said. A closure of the crossing through which NATO and American troops receive most of their non-lethal equipment is rare, and signaled a downturn in the military relationship between Pakistan and the United States just three months before the Obama administration takes stock of progress in Afghanistan. A NATO helicopter attacked a border post at Mandati Kandaw, a town close to the capital of Parachinar in the Kurram area of Pakistan's tribal region, at 5 am on Thursday, the official said. Three paramilitary soldiers of the Frontier Corps were killed, and three others injured, he said. Another border post at Kharlachi in the Kurram region was struck a few hours later, the official added. The two posts are about 15 miles apart and border Paktia Province in Afghanistan. The incident occurred as the director of the Central Intelligence Agency, Leon Panetta, was in Islamabad for a previously scheduled visit. He was expected to meet the head of the Pakistani military, Gen. Ashfaq Parvez Kayani, later on Thursday <b>...</b>