Sri Lanka, Dec. 17 -- The Trump administration announced Tuesday it was expanding travel restrictions to an additional 20 countries and the Palestinian Authority, doubling the number of nations affected by sweeping limits announced earlier this year on who can travel and emigrate to the U.S.

The Trump administration included five more countries as well as people traveling on documents issued by the Palestinian Authority to the list of countries facing a full ban on travel to the U.S. and imposed new limits on 15 other countries.

The move is part of ongoing efforts by the administration to tighten U.S. entry standards for travel and immigration, in what critics say unfairly prevents travel for people from a broad range of countries. The ...