BAGHDAD, May 04, SPA -- The U.S. military fired guided missilesinto the heart of Baghdad's teeming Sadr City slum,leveling a building 50 yards (meters) away from a hospitaland wounding nearly two dozen people. Separately, the U.S. military said late Saturday that fourMarines were killed on Friday by a roadside bomb in Anbarprovince. No other details were released and the names ofthe Marines were withheld pending notification of theirfamilies. AP Television News footage showed several ambulancesdestroyed and on fire, thick black smoke rising from themas firefighters worked to put out the flames. The strike on Saturday, made from a ground launcher, tookout a militant «command-control center,» the U.S. military said. The center was located in the heart of theeight-square-mile (21-square-kilometer) neighborhood thatis home to about 2.5 million people. Iraqi officials saidat least 23 people were wounded, though none of them werepatients in the hospital.--SPA www.spa.gov.sa/552423