Iran may have been behind attack on Iraq's Balad base: U.S. State Dept official

Iran may have been behind Thursday's attack on Iraq's Balad air base, a senior U.S. State Department official said on Friday, but added that Washington was awaiting further evidence.Iraqi military on Thursday said that two Katyusha rockets landed inside Balad air base, which hosts U.S. forces and contractors and is located about 50 miles (80 kilometers) north of Baghdad."We're waiting for full evidence, but if past is prologue then there's a good chance that Iran was behind it," David Schenker,