Blown insulator causes scare at SF's Embarcadero BART

SAN FRANCISCO (KGO) -- BART trains were delayed in the East Bay direction after witnesses reported a possible explosion at Embarcadero Station Tuesday.

BART tweeted shortly before 11 a.m. that trains were delayed in the East Bay direction due to an equipment problem. Witnesses reported that something popped, or exploded on a train at the station heading toward Oakland, sending smoke into the station.

No injuries were reported, and the system was recovering from the delays.

The cause was a blown insulator.

Stay with ABC7 News for the latest details on this developing story.