A group of rescued mostly Rohingya migrants from Myanmar and Bangladesh, sleep at a government sports auditorium in Lhoksukon in Aceh province on May 13, 2015 after Indonesian rescuers found their boat carrying 573 passenger stranded in waters off north Aceh province, an official said. Nearly 2,000 boat people from Myanmar and Bangladesh have been rescued or swum to shore in Malaysia and Indonesia, authorities said, warning that yet more desperate migrants could be in peril at sea.