CAIRO (Reuters) - Eight US tourists were killed and 21 injured when their coach hit a stationary truck in southern Egypt, the state news agency MENA said on Sunday. The injured were taken to a military hospital where they were treated for fractures and cuts, the agency said. The bus driver and a tour guide were also hurt. The coach hit the parked truck on a road near Abu Simbel, the site of two temples dating from the time of Ramses II, MENA said.