Pyongyang, December 24 (KCNA) -- Flags were hoisted at half mast at the building of the UN organizations in Bangkok, Thailand, which houses regional missions of the United Nations Economic and Social Commission for Asia and Pacific, the International Labor Organization, the United Nations Development Programme, the United Nations Environment Programme, the United Nations Population Fund, the United Nations Office on Drugs and Crime and the United Nations Office for Services to Countries and the building of the Regional Office of Eastern Asia and Pacific of the United Nations Children's Fund on Friday on the demise of leader Kim Jong Il.