As hundreds of thousands of the Rohingya Muslim minority flee ethnic conflict in Myanmar, Brahma Chellaney looks at the history of the country’s simmering internal divisions.

At least 163 people have been killed and 91 others have gone missing over the past year in attacks carried out by Rohingya Muslim militants in the restive Rakhine state, Burma's government said.

UN secretary-general Antonio Guterres has said that ethnic cleansing is taking place in Burma against the Rohingya Muslim minority.