The United Nations says nearly 40,000 Rohingya Muslims have fled into Bangladesh in the past week.

That has prompted security forces there to further tighten its border and, in many cases, send them back.

Nikki Haley, the US ambassador to the UN, is demanding Myanmar's military stop attacking civilians and aid workers.

Al Jazeera’s Florence Looi reports from Yangon.

Asia Pacific, Myanmar, Human Rights