President Trump's new ban on travel to the U.S. by citizens from 12 mainly African and Middle Eastern countries has taken effect amid rising tension over the president's escalating campaign of immigration enforcement.

Here is a closer look at why the administration says it is instituting full bans on foreign nationals traveling to the U.S. from 12 nations.

The U.N. envoy to Myanmar is warning that the Southeast Asian country is on “a path to self-destruction” if the violence doesn’t end. Julie Bishop told the U.N.

For people in countries like Afghanistan and Myanmar, the president’s order dimmed hopes for sanctuary in the United States.

President Donald Trump has signed an executive order banning citizens from 12 countries from entering the U.S. The order echoes Trump's Muslim ban.

The effect of the ban was not apparent Monday at O'Hare International Airport where, eight years ago during Trump's first attempt at a travel ban, hundreds protested and over a dozen people were arrested.

Hla Wynn was looking forward to his annual trip to New York this summer, eager to spend time with family and help his brother recover from surgery. But the retired college professor said his long-standing plans are on hold until further notice now that U.

"The important thing for us is that the federal government and this administration recognized the importance of the Olympics and the Games," LA28 CEO Reynold Hoover told Reuters on Thursday.