Two cars were badly damaged after being set alight in Ballymoney.
The incident occurred at Elizabeth Place in the Deffrick area of the town last night (Sunday, October 7) just after 8:30pm.
The two cars were parked outside a house. A third car nearby sustained scorch damage as a result of the incident.
Smoke damage was also reported inside a house in the area, but there were no reports of any injuries. Northern Ireland Fire and Rescue Service attended the scene and extinguished the fire.
Police say enquiries are continuing and they are appealing to anyone who saw anything suspicious in the area to contact police on 101 quoting reference number 1204 7/10/18.
Alternatively, information can also be provided to the independent charity Crimestoppers on 0800 555 111 which is 100% anonymous and gives people the power to speak up and stop crime.