No injuries were reported when a CTA Purple Line Express train derailed Monday evening near the Bryn Mawr station in the city's Edgewater neighborhood, authorities said.
One wheel came off of a southbound train before 6:30 p.m. in the area of 1119 W. Bryn Mawr Ave., according to the Chicago Fire Department.
A total of 24 passengers were onboard the train, a CFD spokesman said.
Red Line service between Howard and Belmont was suspended as a result of the derailment, as was Purple Line Express service to the Loop.
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What led up to the incident wasn't immediately clear.