An Afghan official accuses Pakistani soldiers of firing across the border . Pakistani military spokesman confirms U.S. troops have fired across Pakistan . He says a unit near the border has fired into Pakistan three times since June . But when pressed by CNN , and asked whether it was correct to say that he had fired into Pakistan more than five times , he responded : `` That sounds accurate . '' A U.S. official says they try to liaise with Pakistani military forces first .
An Afghan official accuses Pakistani soldiers of firing across the border . Pakistani military spokesman confirms U.S. troops have fired across Pakistan . He says a unit near the border has fired into Pakistan three times since June . A U.S. official says they try to liaise with Pakistani military forces first .