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

Protesters are gathering in Chicago and across the country Saturday in opposition to President Donald Trump’s administration. Organizers say the national No Kings Day of Defiance aims to reject authoritarianism,

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

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.

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.

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

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

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