Police are appealing for information after five cars were set on fire in Larne, County Antrim.
The PSNI said six vehicles were targeted in the arson attacks, with five of them extensively damaged.
The incidents happened in the early hours of Saturday and Sunday morning. The PSNI said it was investigating a link between the incidents.
The first arson attack was on a Seat Leon in Hampton Grove at about 01:20 GMT on Saturday.
A short time later an attempt was made to set a car on fire on the Mill Road, but no damage was caused.
On Sunday morning, there were arson attacks on four cars - on a Citroen Berlingo in Glebe Village Gardens shortly after 02:00; on a Volkswagen Golf and Audi on Killyglen Road; and on a Citroen car in Blackthorn Green after 04:30.