The agency tweeted at 6:19pm a train hit a person in San Francisco involving a southbound train.
Then at 6:43pm, the agency says it's looking into locating if a person may have been hit.
Northbound trains are not moving past the Bayshore station.
BART tweeted that there is a major delay system-wide due to an equipment problem on the track.
Stay with ABC7 News for the latest developments.