DHS says it arrested more undocumented immigrants this week under Chicago's Operation Midway Blitz. Here's what we know.

Among the crowd was Evanston Mayor and 2026 House candidate Daniel Biss, who claimed he and others were protesting peacefully.

The operation, called “Midway Blitz,” started Sept. 8 and has raised concerns among activists and immigrant communities.

Much remains unclear about the scope and character of arrests, and social media videos and press releases from both ICE and ...