The UN says over 500 refugees are feared dead after boats sank off Myanmar's coast. One vessel carrying about 250 people lost contact shortly after departure. The tragedy highlights the perilous sea routes taken by displaced people. It raises urgent concerns over regional maritime safety and humanitarian response.

The UN says over 500 refugees are feared dead after boats sank off Myanmar's coast. One vessel carrying about 250 people lost contact shortly after departure. The tragedy highlights the perilous sea routes taken by displaced people. It raises urgent concerns over regional maritime safety and humanitarian response.