Dhaka, May 25 -- The United Nations High Commissioner for Refugees (UNHCR) has expressed grave concern over reports of two devastating maritime tragedies off the coast of Myanmar earlier this month, in which an estimated 427 Rohingya refugees are feared to have died.

In a statement issued on Friday, UNHCR described the incidents as the deadliest involving Rohingya refugees at sea in 2025.

The refugee agency said nearly one in five people attempting dangerous sea crossings in the region have been reported as dead or missing this year-making the Andaman Sea and Bay of Bengal among the world's deadliest maritime routes.

Preliminary reports suggest that two boats, carrying a combined total of 514 Rohingya refugees, sank in separate inciden...