Baghdad, Iraq, Oct 5, SPA -- U.S. warplanes pounded the vast Baghdad slum of Sadr City overnight after an Americanpatrol came under small arms fire, the military saidTuesday. Hospital officials said at least one person was killed inskirmishes between U.S. troops and fighters loyal torenegade Shiite Muslim cleric Muqtada al-Sadr. U.S. soldiers were fired on late Monday during a routinepatrol of the Shiite stronghold, which is home to more than2 million people, said Capt. Brian O'Malley, spokesman forthe U.S. 1st Cavalry Division. They returned fire as U.S.AC-130 planes targeted insurgent machine gun crews on theground, he said. One person was killed and two were injured when their carcame under fire during the fighting, said Dr.Mohamed Aboudof Sadr hospital said. Residents said they continued to hear loud explosionsuntil dawn.--SPA1253 Local Time 0953 GMT www.spa.gov.sa/208180