A federal building in Los Angeles was surrounded during unrest, but police did respond, and arrests were made.

Federal Building and Officers Under Siege in LA
Federal officers and a federal building in Los Angeles were reportedly surrounded as unrest escalated. Cops were later seen making arrests after initially being nowhere in sight.

https://news.meaww.com/video/federal-building-and-officers-under-siege-in-la

On February 1, 2026, protests against ICE and immigration policies escalated outside the Federal Building in downtown Los Angeles. Crowds clashed with police and federal agents, leading to arrests and dispersal orders. This was part of a national “ICE Out” day of action calling for shutdowns of detention centers. Police presence was reported, contrary to some claims. Sources: Fox News, LA Times, KTLA, CBS.