US President Donald Trump has signed an executive order designating Antifa as a “domestic terrorist organization.”
See the BBC verified article here

Antifa: A Movement, a Label, and a Political Flashpoint
“Antifa” often appears in headlines as if it names a single organization. In reality, it’s short for anti-fascist and generally refers to a loose, decentralized movement of people who oppose fascism and far-right extremism. There is no widely recognized national leader or membership list, and people who use the label don’t all share the same views or tactics.
What do its supporters do?
Some people associated with antifa organize protests, monitor far-right groups, or share information about them. Others have taken part in confrontations, vandalism, or violence. Those actions have drawn criticism and, in some cases, criminal charges. It’s important to distinguish between people’s specific conduct and the much broader label: calling someone “antifa” doesn’t, by itself, establish what they did or whether they belong to any organized group.
Why has Trump targeted it?
President Donald Trump has made antifa a prominent target in his rhetoric and political agenda, blaming people he associates with the movement for disorder and political violence. The issue also fits into a broader debate over protests, public safety, and how the government should respond to political extremism.
But the decentralized nature of antifa makes the question of how to target it complicated. Critics of Trump’s approach argue that treating antifa as a single organization risks sweeping together people with very different beliefs and actions, and may raise concerns about free speech and protest rights. Supporters argue that authorities should be able to respond forcefully to political violence, whatever its source.
The takeaway
Antifa is best understood as a broad anti-fascist tendency, not a conventional organization with a central command.
What is Antifa in the United States?
Antifa (/ænˈtiːfə, ˈæntifə/) is a left-wing anti-fascist and anti-racist political movement.

