A large “No Kings” protest in downtown Los Angeles escalated Saturday as demonstrators vandalized a federal building with threats against ICE agents, clashed with law enforcement, and sparked multiple arrests. Early in the afternoon, Leftist radicals vandalized a federal building in Los Angeles on Saturday, scrawling the message “Kill your local ICE agent” alongside two crosshairs as thousands flooded downtown for a “No Kings” protest. DIRECT THREAT: An agitator spray-paints “kill your local ICE agent” on the side of a federal building in Los Angeles as thousands marched through the city’s downtown for the “No Kings” protest. pic.twitter.com/oYw1tTLHDU — Fox News (@FoxNews) March 29, 2026 The threatening graffiti came amid a day of demonstrations that drew tens of thousands into the city’s streets, with organizers estimating attendance as high as 50,000 at a rally held at Gloria Molina Grand Park outside City Hall. The Los Angeles Police Department placed the city on tactical alert around 5:30 local time and issued a dispersal order, warning demonstrators to leave the area near Alameda Street or face arrest. When multiple individuals refused to comply, officers began taking people into custody 30 minutes later. Federal officials also reported violence directed at law enforcement. U.S. Attorney Bill Essayli said federal agents had “started arresting those who assaulted our personnel at the Los Angeles courthouse,” warning that suspects who hurled projectiles at officers had been captured on video.