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

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.

On Saturday, as the military parade in D.C. takes place, the Chicago area is preparing for "No Kings Day" protests against the Trump administration.

The Chicago Police Department has canceled officers' days off for the weekend in preparation for "No Kings Day" mass protests and other planned events in the city, but CPD said it's ready to act quickly.

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

Heather Blair, 66, suffered a broken arm when a driver crashed into her Tuesday in the Loop. Blair said she's disappointed her injury will prevent her from attending Chicago’s “No Kings” demonstration on Saturday.

According to the sources, the teams will be activated in Seattle, Chicago, Philadelphia, northern Virginia, including Washington, D.C., and New York.

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