BEIJING, December 05, SPA -- North Korean efforts to disable its plutonium-producing reactor are going well but the workneeds to continue if deadlines are to be met, a U.S. nuclear envoy said Wednesday. U.S. Assistant Secretary of State Christopher Hill spenttwo days in Pyongyang and visited the Yongbyon nuclearcomplex, becoming the highest-level American official to gothere. «The disablement activities are going well and onschedule,» Hill told reporters before leaving Pyongyangand heading to Beijing. «I'm satisfied with the results.» «But we have to keep working because we have more to doto meet our deadlines,» he was quoted as saying by the Associated Press.--SPA www.spa.gov.sa/506325