Authorities today detained an Iraqi national who was carrying a suspicious object at Los Angeles International's Terminal One. Los Angeles airport police held the man in a passenger screening area after security agents discovered at 5:40 a.m. that he was carrying a metal object, officials said. A preliminary investigation of the man's bags -- which were taken off a flight that was scheduled to go to Philadelphia but diverted to Las Vegas -- found nothing hazardous or dangerous, authorities said. The man has been turned over to Immigration and Customs authorities for additional questioning, officials said at an afternoon news...