Kristi Noem, the secretary of homeland security, equated immigrants to “foreign invaders” as she called for an expanded travel ban. President Trump reposted her statement.

Amid talk of war crimes, the details and precise sequence of a Sept. 2 attack on a boat in the Caribbean are facing intensifying scrutiny.

The new measures represent some of the most significant changes to immigration policy since President Trump returned to the White House.

Investigations are mounting into the legality of strikes that have killed scores of people in the waters off Venezuela.

As of February, passengers without the government-approved identity card will be required to pay for alternative screening at U.S. airports.