The late night fire on Hanna St. in Windsor is now considered suspicious.
According to Windsor fire, Windsor police are helping with the investigation — there were no injuries and damage is estimated at $300,000.
Crews arrived on scene to the building housing the Ontario Truck Driving School on Hanna St. near McDougall St. shortly before 11:30pm Tuesday night.
Firefighters were able to get the blaze under control shortly before midnight and proceeded to hit hot spots and vent the building of smoke.
— with files from AM800's Ricardo Veneza