Emergency crews responded to a possible structure fire at the Midland Dairy Queen shortly before 11 a.m. on Saturday morning.
Crews were called to the Dairy Queen at 776 Yonge Street at 10:44 a.m. A call for backup came in at 10:52 a.m.
A total of three fire trucks, two Midland Police cruisers and a Simcoe County ambulance were on scene.
Several firefighters were seen going in and out of the building assessing the scene.
Exact details around the fire have yet to be made public.