The policy takes effect Monday at 12:01 a.m. and does not have an end date. Here’s what to know about the new rules: How Trump justified the ban . Since returning to the White H

President Donald Trump has banned citizens of 12 countries from entering the United States and restricted access for those from seven others, citing national security concerns in resurrecting and expanding a hallmark policy from his first term that will mostly affect people from Africa and the Middle East.

President Donald Trump’s new ban on travel to the U.S. by citizens from 12 mainly African and Middle Eastern countries is set to take effect Monday amid escalating tension over the president’s unprecedented campaign of immigration enforcement.