Three vehicles parked at a garage in Belfast were doused in an "accelerant" and set on fire, police say.
The incident, in the Diamond Gardens area of the city, was reported to emergency services on Thursday evening - shortly before 6.55pm.
The PSNI has launched an appeal for information.
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A police spokesperson said: "Detectives are appealing for information following a report of arson at the Diamond Gardens area of Belfast on Thursday 13th February."
Detective Sergeant Magee said: "Shortly before 6:55pm, it was reported that three vehicles parked at a garage in the area had accelerant poured on them and were set alight. Colleagues from Northern Ireland Fire & Rescue Service attended and dealt with the incident.
"Enquiries are continuing and police would appeal to anyone with any information or who may have dash-cam footage available, to contact them on 101, quoting reference number 1396 13/02/25. Alternatively, you can submit a report online using the non-emergency reporting form via http://www.psni.police.uk/makeareport/.”
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