Police believe a group of youths entered a disused school before it was set alight.
Fire appliances, an ambulance unit and police were called to the former St Vincent’s Primary School in Pitkerro Road, Dundee, after the alarm was raised at 6.15pm last night.
A police statement says that a number of youths aged in their mid-teens were seen at 5.20pm entering the building by a member of the public.
“There is a possibility they were involved in this incident. Unfortunately, we have no further description of them available,” it added.
“Entry was gained to the building and a small fire started within it. Fortunately, Scottish Fire And Rescue Service were able to quickly extinguish the fire. They have confirmed to us that it was started deliberately.
“If you have any information which could assist our investigation, please call 101 or speak with any police officer. Also, information can be given anonymously through Crime Stoppers on 080 555 111. our reference is CR/25327/18.”
A spokesperson for Scottish Fire and Rescue said: “Four appliances – two from Kingsway, one from McAlpine and one from Blackness stations – were in attendance.
“Officers remained at the scene while the building was searched and ventilated.
“Breathing apparatus units and a positive pressure ventilation fan was used to clear the building of smoke.
“The building was searched to ensure it was still structurally sound and to make sure it was empty.
“The stop message was received just before 8pm.”