Police and specialist fire officers are investigating what is believed to be a deliberate fire that damaged six vehicles in Northampton.
The blaze was started at about 11.20pm on Saturday in Bunting Road, Kingsthorpe Hollow.
A fire crew from The Mounts station arrived and found several vehicles alight, with firefighters taking 35 minutes to extinguish the flames.
In all, four vehicles were damaged by flames and two more by extreme heat.
Northamptonshire Fire and Rescue Service said today (Sunday) that police were looking into the cause.