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.

Protesters are expected to gather in the Chicago area and the suburbs as part of a nationwide movement called "No Kings."

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.

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

Thursday's protest was arranged by the Illinois Coalition for Immigrant and Refugee Rights and other organizations. Several hundred people marched from Congress Plaza to Trump Tower.

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,

Chicago police arrested 17 people over the course of the hours-long protest on Tuesday. Multiple city vehicles could be seen with anti-CPD, anti-ICE graffiti.