MARTINEZ (CBS SF) — Five vehicles were seriously damaged Sunday afternoon in a fire outside a light-industrial building in unincorporated Martinez, the Contra Costa County Fire Protection District said.

Photo: Contra Costa County Fire Protection District

The fire was reported at 3:15 p.m. Sunday at 3450 Pacheco Blvd., across the street from the Shell Martinez refinery. County Fire Marshal Chris Bachman said late Sunday afternoon it wasn’t known how the fire started.

READ MORE: Video: Violent Carjacking From Richmond Auto Dealership; Worker Hurled From Hood Attempting To Stop Thief

Firefighters had the blaze out quickly enough so that it didn’t spread to nearby automotive-business buildings, Bachman added.

READ MORE: VIDEO: Asian Man Attacked In Oakland, Tries to Fight Back In Attempted Robbery

There were no injuries.

MORE NEWS: 'Absolutely Shocked': California Teen Accepted To 5 Ivy League Schools And Stanford

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 This material may not be published, broadcast, rewritten or redistributed.