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

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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.

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

There were no injuries.

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