Police are treating a fire at a property in Millisle as an arson attack.
Two vehicles were completely destroyed and a house suffered scorch damage.
The blaze occurred on Saturday morning at around 03:30 BST in the Ballywalter Road Area of the County Down village.
Police say nobody was in the property at the time of the fire.
In a statement, the Police Service for Northern Ireland (PSNI) said the fire is “being treated as arson with intent to endanger life”.
It added: “The investigation is underway to determine exactly what happened, a motive, and who was involved”.
Detectives are appealing for information.