https://phys.org/news/2018-05-sentinel-refugee-island.html

While the Rohingya have faced decades of repression, this recent mass exodus is blamed on large-scale atrocities committed by the Myanmar military.

Not only has the pace of arrivals in Bangladesh made this the fastest growing refugee crisis in the world, but the concentration of displaced people now in Bangladesh's Cox's Bazar is amongst the densest in the world.