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.

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.

Activists march on South Carpenter Street in the Lower West Side neighborhood to protest recent ICE arrests in the city and around the country Sunday June 8, 2025, in Chicago. The protest started at the Plaza Tenochtitlán and ended at Benito Juarez Community Academy. (Armando L. Sanchez/Chicago Tribune)

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.

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

Thousands of protesters marched in Chicago against Immigration and Customs Enforcement raids in their city and President Trump’s deployment of troops in Los Angeles.

Hundreds of people gathered at Washington Square Park in downtown City on Thursday, protesting the Trump administrations's raids on undocumented immigrants. Then they marched to the federal building.