Flags at government offices, schools and large hotels flew at half staff, but shops opened and many people in Yangon said they had little idea what the official mourning entailed. Others were angry. ... The regional head of the UN Office for the Co-ordination of Humanitarian Affairs, Terje Skavdal, told the BBC that his organisation was hoping to take relief supplies into Burma - with plastic sheeting for shelter, water purification tablets and cooking sets a priority. ...