The United Nations (UN) has warned it will pare back aid to thousands of Rohingya Muslims left destitute as Myanmar's government closes camps in Rakhine state, over fears its continued support "risks entrenching segregation".Aid agencies are facing an increasingly sharp dilemma in the region as they balance relief for desperate communities with leverage over the government.The majority of Myanmar's Rohingya were driven into Bangladesh by a 2017 army crackdown, but around 4