Red Line disrupted by disabled train at Ashmont; subway service has resumed

The MBTA was forced to run shuttle buses in place of Red Line trains during the height of this morning's commute after a derailment in the Ashmont yard.

Work crews labored to correct the problem, but in the interim the morning commute in Dorchester was.... complicated. Shuttle buses ran between Ashmont and JFK-UMass.

NBC Boston has photos from the scene.