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Commuter train derails at Chicago airport, injuring 32

A Chicago Transit Authority train car rests on an escalator at the O'Hare Airport station after it derailed early on Monday.
AP Photo/NBC Chicago/Kenneth Webster
A Chicago Transit Authority train car rests on an escalator at the O'Hare Airport station after it derailed early on Monday.

CHICAGO (AP) — Authorities say they’re looking into whether faulty brakes, signals or human error may have caused a Chicago public-transit train to jump the tracks and scale an escalator at O'Hare International Airport.

National Transportation Safety Board investigator Tim DePaepe said at a news conference Monday that officials will interview the train’s operator and look at her routine over the last few days. She is still in the hospital.

The early-morning accident on the Blue Line injured 32 people. None had life-threatening injuries.

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DePaepe also says there is video footage available from a camera in the station and one mounted on the front of the train.

The derailment happened just before 3 a.m., which helped prevent more injuries in an underground station that’s usually packed with travelers.