People gather around the wreckage of a bus damaged by a bomb explosion in Colombo

People gather around the wreckage of a bus damaged by a bomb explosion in Colombo February 23, 2008. A suspected Tamil Tiger bomb blast destroyed the passenger bus on the outskirts of the Sri Lankan capital on Saturday, wounding 18 people, but no-one was killed. REUTERS/Anuruddha Lokuhapuarachchi (SRI LANKA)