The US has designated 4 far-left organizations in Europe as terrorist organizations
The US State Department has designated 4 groups associated with "Antifa" as foreign terrorist organizations.
It was reported that the organizations "conducted terrorist campaigns in the US and Europe, and conspired to undermine the foundations of Western civilization through their violent attacks."
These include: "Antifa Ost" in Germany, known for attacking civilians with hammers; the "International Revolutionary Front" in Italy, which planted bombs against several politicians, embassies, and civilians causing injuries; the "Armed Proletarian Justice" organization in Greece, which operates violently against police and the state; and another group in Greece called "Self-Defense of the Revolutionary Class."