(KRON) — Emergency personnel are responding to an Amtrak train that derailed east of Port Costa, according to a tweet from the Crockett-Carquinez Fire Department. The train reportedly derailed just southeast of Port Costa. There have been no reports of injuries.

Capitol Corridor train service is disrupted as a result of the incident with several trains held up along their routes. Capitol Corridor said it will provide updates as more information becomes available.

Crockett-Carquinez Fire announced in a subsequent tweet that it had cleared the scene. There were 55 passengers on board the train when it derailed. The derailment was caused by a downed tree. No one was injured in the incident.

BART will be offering assistance to passengers who need help following the train derailment through mutual aid.

“We are aware Capitol Corridor and Amtrak is experiencing mass delays due to a derailment involving a tree near Rodeo,” BART tweeted. “Mutual aid has been granted for impacted Amtrak riders between Richmond and Coliseum stations in both directions until 8pm today.”

County Connection tweeted that it will be offering a free ride to anyone with a valid Amtrak ticket to any BART station until further notice.

KRON4 reached out to Amtrak and received the following statement:

“At about 2:50 p.m. PT, Amtrak Train 534 became disabled near Martinez, Calif., when it made contact with a tree. The train remained upright with all systems operating. There have been no immediate reports of injuries among the approximately 55 passengers or Amtrak crew. The adjacent track is open and service will single track through this location.”