What is Trump's travel ban? Which countries are banned from traveling to US? Here's list of 12 countries banned and 7 countries with restrictions

A sweeping new travel ban on citizens from a dozen nations was announced by the White House on Wednesday, reviving a defining effort from the first Trump administration to crack down on entries from specific countries.

The travel ban goes into effect Monday, leaving many to fear a future in which they can't visit family or loved ones are unable to escape dire circumstances in their home countries.