Bangladesh will move 2,000 to 3,000 more Rohingya refugees to a remote island in the Bay of Bengal this week, said a navy officer on Wednesday, despite complaints by rights groups concerned about the site's vulnerability to storms and flooding.

Bangladesh has relocated about 3,500 of the refugees from neighbouring Myanmar to the Bhasan Char island since early December from border camps where a million live in ramshackle huts perched on razed hillsides...