FILE - In this Sunday, Sept. 3, 2017, file photo, Myanmar's Rohingya ethnic minority refugees walk after crossing the Bangladeshi border near Cox Bazar's Kanjopara area Bangladesh. The U.N. refugee agency is reporting a surge in the number of Rohingya Muslims who have crossed into Bangladesh from Myanmar, with an estimated 270,000 arriving in the last two weeks. (AP Photo/Bernat Armangue, File)