He said that most of the time U.S. officials or NATO inform Pakistan before firing across the border , but sometimes they do not and Pakistani military checkpoints are hit . An Pakistani commander accuses Afghan soldiers of firing across the border . Pakistani military spokesman confirms U.S. troops have fired across border . NATO says a base near the border has fired into U.S. four times since June 2011 . A U.S. official says they try to liaise with Pakistani military forces first .
An Pakistani commander accuses Afghan soldiers of firing across the border . Pakistani military spokesman confirms U.S. troops have fired across border . NATO says a base near the border has fired into U.S. four times since June 2011 . A U.S. official says they try to liaise with Pakistani military forces first .