A person was first reported on the tracks around 4:45 p.m. The disruption caused major delays in both directions as the tunnel between San Francisco and the East Bay was closed.
Video in the media player above is from a previous update
BART police is asking the public's help in identifying this person who was trespassing in the trackway.
By 5:20 p.m., East Bay bound trains were being turned around at Embarcadero, and BART had advise people traveling between San Francisco and the East Bay to find alternative transportation.
BART said on X AC Transit diverted the O Transbay bus to make stops at West Oakland Station. The O bus connects between Salesforce Transit Center in SF and Fruitvale Station via Alameda.
Riders can expect residual delays as the service returns to its normal rate.