President Donald Trump's sweeping new travel ban came into effect early Monday immediately after midnight, barring citizens from a dozen nations from entering the United States and reviving a divisive measure from his first term.

President Donald Trump's order banning citizens of 12 countries aims to protect the US from "foreign terrorists." What are the reasons and who is exempt?

US President Donald Trump's sweeping new travel ban barring nationals from 12 countries came into effect Monday after midnight amid mounting public anger over the administration's crackdown on immigrants.