Red Cross workers distribute relief supplies and provide assistance to cyclone-affected villagers in Bogale in the Irrawaddy Delta in this undated handout picture released May 20, 2008. Flags flew at half-mast across Myanmar on Tuesday for the victims of Cyclone Nargis as the U.N.'s top aid envoy pressed the military government to allow foreign helicopters to fly in supplies to survivors. REUTERS/International Federation of Red Cross and Red Crescent Societies/Handout (MYANMAR). FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS.