UPDATE: As of 3:35 p.m. Saturday, service has been restored to all San Francisco BART lines. Riders should expect a 10-minute delay.

BART is currently experiencing major delays because of a systemwide power issue affecting the San Francisco line, according to a BART service advisory. After earlier issues Saturday afternoon, normal service was restored to the Yellow, Blue and Green lines.

There is still no service for the Red Line, which goes through San Francisco between the Richmond and Millbrae stations, the advisory states. Riders wanting to travel in the Millbrae direction are advised to board a Berryessa train and transfer to an SFO/Millbrae train at MacArthur Station. Those traveling in the Richmond direction are advised to board the Antioch train and transfer at 19th Street Oakland Station.