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

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,

South Florida's airports are common gateways for people from Haiti, Venezuela and Cuba to enter the U.S. Each nation has a presence in South Florida.

An aid organization that has sent more than 100 Haitian children with serious cardiac conditions to the U.S. for heart surgery said President Donald Trump’s travel ban will stall or cancel lifesaving procedures.

South Florida leaders on Thursday denounced the Trump administration’s travel ban targeting Cuba, Haiti and Venezuela, crisis-wracked nations that are among 19 countries hit with full or partial prohibitions against entering the United States.

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.

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

President Trump’s announcement Wednesday night of a full travel ban on people from 12 countries, partial restriction on seven countries drew a swift and angry response from Boston area immigration advocates.