Dhaka, Nov. 30 -- Anxiety is spreading across immigrant communities in the United States as the Trump administration launches a sweeping review of green cards issued to individuals from 19 countries, many of which have long been on Washington's security watchlist.

Several governments whose citizens are affected have already begun raising concerns, calling for clarity and urging the US to avoid actions that could unfairly target lawful residents.

The new order, confirmed by US Citizenship and Immigration Services (USCIS) chief Joseph Edlow, follows a direct instruction from President Donald Trump to conduct what he described as "a full-scale, rigorous re-examination of every green card for every alien from every country of concern."

The...