Arsonists attacked three cars in the early hours of the morning as fire crew battled for more than an hour to douse the flames.
Two cars, two wheelie bins and the contents of a trailer attached to a third car were set alight on Newton Road in Lindfield.
The cars, which were ignited by setting fire to the seats, were not stolen and belonged to residents living on the road.
Fire crew from two fire engines were called to the scene at 3.48am and left at 5am.
The police have been informed.
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