KABUL, Feb 27, SPA -- A roadside bomb blast struckNATO soldiers patrolling in eastern Afghanistan, killingtwo of the troops and wounding one other, AP reported. The soldiers were conducting a routine patrol on Tuesdaywhen they bomb went off in the Sharan district of Paktikaprovince, said NATO's International Security AssistanceForce. ISAF did not provide the nationalities of the soldiers. The latest casualties brings the number of foreign troopskilled in Afghanistan to 21 so far this year. In 2007, insurgency-related violence killed more than6,500 people, including 222 foreign troops. Last year wasthe deadliest yet since the U.S.-led invasion in 2001.--SPA www.spa.gov.sa/531030