A huge and peaceful crowed turned out for the "No Kings" rally, shutting down much of the Loop as part of a nationwide protest movement to denounce the Trump administration.

At 4 p.m. as protesters were gathering, a counterprotester came to the scene — prompting angry chants to erupt from the main protest.

Follow along for live updates as thousands of people nationwide have shown up at protests and rallies opposing ICE raids.

A vehicle was seen speeding through the crowd and several protesters were detained during the Tuesday demonstration that drew thousands to downtown Chicago, voicing opposition to the Trump administration's stepped-up use of force against immigrants.

A man arrested for impersonating a police officer during an anti-ICE protest in Chicago had a loaded semi-automatic weapon, badges and fake documents, police sources said.

The Chicago Loop is expected to see its third large-scale protest this week against ICE raids and the Trump administration. It comes as ICE tactical teams are supposedly set to begin work in the city,

The woman was taken to Northwestern Memorial Hospital where she was treated and released, Chicago police said.

Chicago is an anchor city for the "No Kings" protests Saturday, and city officials said they are prepared for the crowds expected.