Bangladesh has imposed a mobile phone blackout on Rohingya refugees, further isolating up to a million displaced people living in refugee camps. By order of the Bangladeshi telecommunications minister, only residents with national identity cards will be allowed to possess local cellphone SIM cards. The order also bars the sale of cellphones in Rohingya refugee camps and will fine telecom companies that violate the order. Two years ago, hundreds of thousands of Rohingya fled to Bangladesh from Burma’s Rakhine State after Burmese authorities launched a campaign that the U.N. has described as a “textbook example of ethnic cleansing.”