The Federal Bureau of Investigation and the U.S. Department of Homeland Security on Monday warned of a potential public safety threat from violent extremists who might try to copy the New Year's Day attack in New Orleans that killed 14 people.

The Federal Bureau of Investigation and Department of Homeland Security have issued a Public Service Announcement about possible copycat attacks in response to the New Year’s Day attack in New

Federal agencies including the FBI warned of the potential for copycat vehicle ramming attacks after the deadly rampage on Bourbon Street in New Orleans.