SAMARRA, Iraq (Reuters) - Insurgents have captured an American soldier in the city of Samarra, north of Baghdad, an Iraqi police spokesman said Tuesday. Lt. Col. Mohammed Ahmed of Samarra police told reporters the soldier had been seized Monday night by gunmen in two Opel cars. He said U.S. troops were out in force in the streets of the Sunni Muslim city Tuesday. A U.S. military spokesman said he had no information on the incident. Ahmed said the Americans had alerted Iraqi security forces and asked them to look out for the missing soldier. U.S. and Iraqi forces stormed Samarra, 62 miles north of Baghdad, in early October as part of the U.S.-backed interim government's campaign to retake rebel areas before national elections scheduled for January.