WASHINGTON, June 20, SPA -- The United States accidentally killed an estimated 26 Afghan civilians last month when a warplanedid not follow bombing rules, the U.S. military concludedin a report quoted by The Associated Press. «The inability to discern the presence of civilians andassess the potential collateral damage of those strikes isinconsistent with the U.S. government's objective ofproviding security and safety for the Afghan people,» thereport prepared by U.S. Central Command said.--SPA www.spa.gov.sa/676498