One was gang-raped by soldiers after they decapitated her son in front of her. Another was set on fire after after troops raped her and killed her husband.

These four brave Rohingya Muslims have told their chilling stories after escaping Myanmar and reaching Bangladesh.

There has been widespread rape and sexual assault on Rohingya women and girls by Burmese security forces during violence against the ethnic minority in Rakhine State.

More than half of the survivors of sexual assault receiving treatment by humanitarian organizations in refugee camps at the Bangladesh border are below 18 years old.

The United Nations human rights chief, Zeid Ra'ad al-Hussein, said in Geneva on Tuesday that Burmese security forces may be guilty of genocide, adding international pressure on Myanmar to be investigated for crimes against humanity.

The purge began in November 2016 as the government responded to alleged attacks on Myanmar border posts by Rohingya insurgents.