(Bloomberg) -- President Donald Trump signed a proclamation that bans individuals from 12 countries from entering the US, reinstating one of the most controversial measures from his first term after an attack in Colorado that targeted an event supporting Israeli hostages.Most Read from BloombergICE Moves to DNA-Test Families Targeted for Deportation with New ContractThe Global Struggle to Build Safer CarsNYC Residents Want Safer Streets, Cheaper Housing, Survey SaysAt London’s New Design Museum,

President Donald Trump has banned visitors from 12 countries from entering the United States and partially restricted travelers from seven other nations.

(Bloomberg) -- President Donald Trump signed a proclamation that bans individuals from 12 countries from entering the US, reinstating one of the most controversial measures from…

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.