Crews from Lancashire Fire & Rescue Service were called to extinguish two vans on fire early this morning (July 24).
The incident was in a car park in Bleasdale Street East, Preston, at around 3.37am.
Firefighters from Preston used hosereel jets to extinguish the fire and there were no casualties.
Lancashire Fire & Rescue Service has notified the police of suspected arson.
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A statement said: “Firefighters from Preston used two hosereel jets to extinguish fires involving two vans on a car park. Police notified of suspected arson.
“There were no casualties.”