Content overview: “Investigation Underway After SUV Explosion Cripples Chicago Expressway Traffic”. Federal and state law enforcement agencies are investigating a dramatic incident on a major Chicago expressway after an SUV was found blown out on the roadway. The unexpected explosion caused significant disruptions, leading to a massive traffic jam that lasted for several hours as emergency crews secured the area and investigators began their work. NBC News' Shaquille Brewster provides the latest details from the scene where officials are working to determine the cause of the blast.
Motorists were advised to seek alternative routes as authorities processed the scene on the busy thoroughfare. This investigation remains active as experts analyze the vehicle and surrounding area for clues. The full version stays on the original page, which this listing opens directly.