Kabul, Sept 8, SPA -- Rebel fighters attacked U.S.troops and fired rockets at American helicopters in askirmish in southern Afghanistan, the military saidWednesday. No casualties or damage were reported from the firefighton Monday near Deh Rawood, 400 kilometers (250 miles)southwest of the capital, Kabul, spokesman Maj. ScottNelson said. Four insurgents who were also armed with assault riflesand machine guns opened fire on American troops, he said. "The anti-coalition militants fired rocket-propelledgrenades at the AH-64 (helicopters) providing close airsupport," Nelson said. "The AH-64s returned fire and the(militants) broke contact.""--SPA1157 Local Time 0857 GMT www.spa.gov.sa/199273