A fire swept through a Rohingya refugee camp in southeastern Bangladesh on Sunday, destroying hundreds of homes, according to officials and witnesses, though there were no immediate reports of casualties.

The blaze hit Camp 16 in Cox's Bazar, a border district where than a million Rohingya refugees live, with most having fled a military-led crackdown in Myanmar in 2017.

Mohammed Shamsud Douza, a Bangladesh government official in charge of refugees, said...