Officers spotted the man with "police identifiers" leaving a parking garage around 5 p.m. in the 200 block of South Michigan Avenue, Chicago police said.

Mayor Brandon Johnson demands House Speaker Mike Johnson speak up against what he calls immigration enforcement "terrorism" while defending his own controversial immigration policies in Chicago

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

The demonstration is the latest of several recent rallies in support of America's immigrant communities and against Immigration and Customs Enforcement arrests.

Chicago Democratic Mayor Brandon Johnson slams President Donald Trump, Speaker Mike Johnson and ICE during his weekly presser. (Credit: WFLD FOX-32)

City officials confirmed reports that President Trump is sending ICE tactical teams to Chicago, the same move that sparked massive protests in Los Angeles.

Thousands of people nationwide have shown up at protests and rallies opposing ICE raids as unrest grows in response to the Trump administration's immigration crackdown.

The calls come ahead of more ICE protests in Chicago as the city braces for potential federal immigration raids by ICE tactical units this week. “As news spreads about militarized ICE teams carrying out Trump’s agenda of hate on the streets of Chicago,