Bloomington Police saw smoke coming from the roof of the building around 2:54 A.M.
A majority of the fire was contained to an area between the ceiling tiles and the roof deck. Still, the business is heavily damaged.
The gas station was closed at the time. Employees left around 12:30 A.M. and were due to come in around 5:30 A.M. this morning.
Right now firefighters are working to determine the cause.