UNION CITY (CBS SF) – Five people were transported to hospitals following a collision between an Alameda-Contra Costa Transit District bus and four-door sedan in Union City early Tuesday morning, according to Alameda County Fire Department officials.

The collision was reported at 4:32 a.m. at the intersection of Decoto and Alvarado-Niles roads, fire officials said. One other unoccupied car was also involved in the collision.

READ MORE: Bay Area Horse Trainer Speaks Out After Kentucky Derby Winner Tests Positive For Banned Substance

Pictures from the scene show a jointed AC Transit bus that had collided into a tree and car with front-end damage in the intersection.

The drivers of the bus and vehicle were both transported to a hospital. In addition to the three other bus passengers transported, five other passengers declined transport to a hospital.

The cause of the collision is under investigation by Union City police and the Alameda County Sheriff’s Office.

MORE NEWS: COVID: Health Officials Try to Entice Teens to Get Vaccine With DJ Dance Parties, Gift Cards

© Copyright 2019 CBS Broadcasting Inc. and Bay City News Service. All Rights Reserved. This material may not be published, broadcast, rewritten or redistributed.