A policeman inspects a damaged bus after a rocket landed in central Baghdad May 15, 2011. One person was killed and nine others wounded when nine Katyusha rockets landed in Baghdad's fortified Green Zone, where the U.S. embassy and Iraqi government officials' houses are located, and other central and southern areas of the Iraqi capital, the Baghdad security operations centre said. REUTERS/Saad Shalash (IRAQ - Tags: CONFLICT)