According to locals and Pakistani officials, the two choppers entered into Pakistani airspace from Afghanistan near the Torkham border. An official of an intelligence agency confirmed that US helicopters had violated Pakistani airspace on Sunday, reported the Daily Times.
Earlier, on Tuesday night, 11 FC troops, including one officer, were killed in a US airstrike on a security post in the Mohmand Agency. A Frontier Corps (FC) border checkpost in Mohmand Agency was destroyed by coalition forces in Afghanistan by an aerial attack, a military statement said.
ISPR spokesman Maj Gen Athar Abbas said that the attack hit at the very basis of co-operation and sacrifice with which Pakistani soldiers were supporting the coalition. Tehreek-e-Taliban Pakistan spokesman Maulvi Umar said that eight militants were among those killed in the US airstrike.