Antifa is a loosely organized movement that has drawn criticism from some politicians for its ideologies.
President Donald Trump held a roundtable about Antifa at the White House on Wednesday afternoon.
Trump previously wrote on his Truth Social platform in September that he was designating Antifa as a "major terrorist organization."
Here’s what you need to know about the origins of Antifa.
Trump holds roundtable about Antifa
What they're saying:
Trump set the stage at the beginning of the roundtable.
"It should be clear to all Americans that we have a very serious left-wing terror threat in our country, radicals associated with the domestic terror group Antifa that you've heard a lot about lately," he said. "And I've heard a lot about them for 10 years, and other far-left e