The ministers, meeting informally on the sidelines of the UN General Assembly last week, expressed grave concern over the violence, Singapore Foreign Minister Vivian Balakrishnan told parliament, calling it "man-made humanitarian disaster".
Over the last year, more than 700,000 Rohingya Muslims have fled Buddhist-majority Myanmar to neighbouring Bangladesh following a military response to attacks on security posts by Rohingya insurgents.
The United Nations has called Myanmar's actions "ethnic cleansing", a charge Myanmar rejects, blaming Rohingya 'terrorists' for most accounts of atrocities.
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