More than 620,000 Rohingya Muslims have fled Myanmar

This aerial photo shows the Kutupalong Rohingya refugee camp in Bangladesh, housing Rohingya Muslims who fled across the border to escape violence. More than 620,000 Rohingya have fled from Myanmar into Bangladesh since Aug. 25, when the army began what it called "clearance operations" following an attack on police posts by a group of Rohingya insurgents.

Go deeper: The big picture on the crisis