U.S. Immigration and Customs Enforcement (ICE) agents arrested Salah Salem Sarsour, the president of the Islamic Society of Milwaukee (ISM)—Wisconsin’s largest mosque—on Monday, March 30, 2026. Agents in nearly a dozen vehicles surrounded Sarsour’s car after he left his home in Milwaukee and took him into custody in a targeted operation. Sarsour, a 53-year-old Palestinian-born