Dhaka, Jan. 15 -- Bangladesh is seeking details from Washington after the United States moved to suspend immigration visas for citizens of 75 countries, including Bangladesh, prompting concern among officials and prospective migrants alike.

A senior official at Bangladesh's ministry of foreign affairs said Dhaka would determine its next steps only after receiving a comprehensive report on the decision. In the meantime, the Bangladeshi embassy in Washington has been tasked with gathering detailed information through diplomatic channels, the official added.

The US decision, which has not yet been accompanied by a detailed public explanation, is understood to be part of a broader review of immigration and border control policies. Officials...