Red Line service shut in South Boston after train, track fail in a blast of sparks, glass shards at Andrew

Seth Hardy was at Andrew when the inbound train had a serious meltdown shortly before 9:30 a.m. Kyle Thomas, who was on the train, writes:

The MBTA says there are "severe" delays on the Red Line due to what it calls a track problem at Andrew and is running buses between Broadway and JFK/UMass.