Smoke billows from Center City subway

CENTER CITY - November 21, 2011

The incident was reported just past 4:00 a.m. under 15th and Market Streets.

Fire department officials tell Action News that SEPTA was doing maintenance work in the tunnel and that a SEPTA Diesel train was the cause of the smoke.

At this time there is no disruption of service as fire crews work to ventilate the tunnel from the diesel exhaust.

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