Sky News US analyst Michael Ware discusses a proclamation signed by US President Donald Trump restricting the access of citizens from 12 countries into the United States.

Here is a closer look at why the administration says it is instituting full bans on foreign nationals traveling to the U.S. from 12 nations.

When Trump included Haiti in a list of countries on which he was imposing a near-total travel ban, some saw a culmination of a long campaign against the population.