Fire broke out among four ambulances parked outside the Royal Artemis Medical Center in Yeroskipou, Paphos at about 1am on Sunday.
The ambulances were parked one next to the other outside the main entrance to the clinic.
The fire was put out by members of the fire service.
The damages to the fronts of the vehicles has yet to be dteremined.
Police said first indications would point to the fire being ason.
Investigations will continue on Sunday.
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