Emergency crews responded to a building fire in Stony Brook early Sunday morning. 

Police received a call just before 3:30 a.m. for a fire alarm at a business located at 93 Main St.  

The back of Camera Concepts, a telescope store, was burned and damaged.

Emergency response teams from four different departments were called to put out the flames.

The scene has since been cleared. 

There is no word yet on the cause of the fire.