Willie Mathews Jr., 21, of Matteson, Illinois, is facing felony charges including false personation of a police officer with a weapon.

Chicago police officers pin a demonstrator to the ground and arrest them at West Washington Street and North State Street during a protest in the Loop, decrying increased immigration enforcement across the country, Tuesday, June 10, 2025.

An estimated 75,000 people flooded the Loop for the local edition of the nationwide movement to protest President Donald Trump.

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.

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.

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 city is bracing for more demonstrations in the coming days as more U.S. Immigration and Customs Enforcement raids are expected in Chicago too.