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.

Seventeen people were arrested at the Chicago ICE protest that drew thousands of people into the Loop Tuesday at the height of rush hour. Four of them face felony charges.

Protests over immigration raids stretched into a fifth night in Los Angeles and spread to other cities, including New York, Chicago and Milwaukee, prompting clashes between police and demonstrators.