Hundreds of thousands of people in Bangladesh and Myanmar have been evacuated as a cyclone bore down on coastal areas home to flood-prone refugee camps for victims of sectarian unrest. The United Nations has warned that more than eight million people could be at risk from Cyclone Mahasen, which is expected to make landfall in Bangladesh on Thursday. Bangladesh evacuated more than 700,000 people living in low-lying areas to thousands of cyclone shelters on Wednesday, while Myanmar announced plans to relocate roughly 166,000 people on its northwest coast. However, in Myanmar's state of Rakhine, many Muslim Rohingya made homeless by communal bloodshed last year said they were too scared to move, reflecting their deep mistrust of the authorities and of local Buddhists. The UN office for the Co-ordination of Humanitarian Affairs (OCHA) said earlier that the cyclone appeared to have weakened. Downgraded It said in a written statement that Cyclone Mahasen had been