7:07 PM: BART is reporting major delays heading between Oakland and San Francisco this evening because of metal debris on the tracks.
The debris was found just outside of the Transbay Tube at about 6:15 p.m. and BART spokeswoman Alicia Trost said crews had cleared it from the tracks as of about 7 p.m.
Trains were single-tracking through the tube while crews cleared the debris, Trost said. Some trains were turned around at the West Oakland and Embarcadero stations.
6:25 PM: BART is reporting major delays heading between Oakland and San Francisco this evening because of an obstruction on the tracks.
The obstruction is between the West Oakland and Embarcadero stations, BART officials said.
