8:00AM EST: Commuters face major disruptions Tuesday morning following a derailment of a work train at the Dekalb Avenue Station.

The MTA issued a service notice detailing the changes.

There is no B train service
D trains are running on the A line from 59th Street to West 4th Street
D trains are running on the F line from West 4th Street to Coney Island
D trains are running locally from 59th Street to Bedford Park Boulevard
Q trains are running on the R line from Canal Street to Dekalb Avenue
Delays along the B, D, F, Q, and R lines.

The MTA says that work crews are on the scene attempting to re-rail the train.

After the train is put right, workers will have to inspect the track and make repairs.

(Source: MTA)