The Trump administration has imposed a travel ban on 12 countries, which took effect Monday. The ban is prohibiting those primarily in Africa and the Middle East from entering the U.S. out of concerns of national security and terrorism.

President Donald Trump’s new ban on travel to the United States by citizens from 12 mainly African and Middle Eastern countries is now in effect.

Sick children, families and businesses are among the many people in Haiti, a country plagued by gang violence, likely to be hit hard by a U.S. travel ban.