A man will remain in custody on charges that he impersonated a police officer during this past Thursday's protest against U.S. Immigration and Customs Enforcement in downtown Chicago.A judge on Sunday said it was very concerning that Willie Matthews Jr.

Thousands of people filled several city blocks in and around Daley Plaza in downtown Chicago--cheering, banging drums and waving upside-down American flags in the air to signal what they see as a country in distress.

Photos from the “No Kings” protest in Chicago on Saturday as part of an anti-Donald Trump rally on the same day as his military parade in Washington, D.C., for his birthday.

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.

The rally at Daley Plaza started at noon with a moment of silence for the shootings in Minnesota before moving into the streets of downtown Chicago.

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

The protests were scheduled nationwide to protests many Trump Administration policies, including immigration policies and the president's use of ICE.

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.

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.

The Houston demonstration is one of several planned in the region throughout the day and is expected to draw thousands of protesters.