The Trump administration has expanded the U.S. travel ban, adding five more countries to the list and imposing new restrictions on others to tighten immigration and entry standards. The White House said the measures are aimed at strengthening national security following the arrest of an Afghan national accused of shooting two National Guard troops.

The Trump administration has expanded the U.S. travel ban, adding five more countries to the list and imposing new restrictions on others to tighten immigration and entry standards. The White House said the measures are aimed at strengthening national security following the arrest of an Afghan national accused of shooting two National Guard troops.