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.

Even before President Donald Trump told Haitians this week they will no longer be welcome in the United States, travel from the crisis-wracked Caribbean nation was already difficult. It's been restricted by deadly gang violence,

The White House says the 12 countries on the list are "deficient with regards to screening and vetting" and are being targeted to protect U.S. national security.

While the ban applies to Haitian nationals, some Haitian Americans are speaking out about its broader implications.

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.

Border czar Tom Homan voiced his support for President Donald Trump’s travel ban on 12 countries, which went into effect Monday. The United States has excluded travelers from Afghanistan, Myanmar, Chad,

A United States (US) based medical aid organisation is calling on the Donald Trump administration to reconsider a new travel ban that threatens to block Haitian children with critical heart conditions from accessing urgent care abroad.

"Donald Trump just ripped a life preserver from their desperate arms and tied weights around their ankles," said Reps. Pressley and Clarke.