The move comes a week after the assassination of conservative organizer Charlie Kirk
US President Donald Trump has announced that he is officially designating the left-wing Antifa movement as a terrorist organization.
The decision comes a week after the assassination of conservative podcaster and organizer Charlie Kirk during his college speaking tour. Senior Republican officials, including Vice President J.D. Vance, attributed the murder to “left-wing extremism.”
“I am pleased to inform our many U.S.A. Patriots that I am designating ANTIFA, A SICK, DANGEROUS, RADICAL LEFT DISASTER, AS A MAJOR TERRORIST ORGANIZATION,” Trump wrote on his Truth Social platform Wednesday evening.
He added that those funding Antifa should be “thoroughly investigated in accordance with the highest legal standards and practices.”
🚨 “I am pleased to inform our many U.S.A. Patriots that I am designating ANTIFA, A SICK, DANGEROUS, RADICAL LEFT DISASTER, AS A MAJOR TERRORIST ORGANIZATION…” – President Donald J. Trump pic.twitter.com/irLHCkrX1n
— The White House (@WhiteHouse) September 18, 2025
Antifa, short for “antifascists,” is an umbrella term for black-clad, masked left-wing activists who often violently disrupt conservative demonstrations and clash with right-wing protesters, as well as with police.
The movement gained national attention during the 2020 George Floyd unrest. Antifa members have also been accused of participating in riots and carrying out ambush attacks on conservative figures and journalists.
Tyler Robinson, the man charged with Kirk’s murder, had reportedly held left-leaning and pro-LGBTQ views, according to officials. Prosecutors said he confessed to killing Kirk in text messages to his transgender romantic partner. “I had enough of his hatred. Some hate can’t be negotiated out,” Robinson allegedly wrote shortly after Kirk was shot.
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