Amtrak officials say three cars derailed when a train carrying about 200 passengers arrived in Chicago from the East Coast. Amtrak spokesman Marc Magliari says the train was switching from track to track when three cars in the middle of the eleven-car train lost contact with the track.
Magliari says there are no reports of any serious injuries from the incident, and Amtrak is investigating the cause of the derailment. Chicago's Union Station remains open and there are no severe delays.
