U.S. airstrikes on a cave complex near Afghanistan’s border with Pakistan on Monday killed four Taliban militants and destroyed a truck loaded with rockets, the U.S. military said. Military officials in Pakistan at first said that helicopters fired missiles into Pakistani territory, and officials opened an investigation into whether U.S. aircraft were involved. But Maj. Gen. Shaukat Sultan, Pakistan’s top army spokesman, later said no missiles had landed in Pakistan. He did say that three Pakistani tribesmen were wounded on the Afghan side of the border and were taken to a hospital. Full Story