NILES, Ohio (WKBN)- The Ohio State Fire Marshal’s Office is investigating how a Niles bar caught fire early Friday.

Firefighters were called about 3:30 a.m. to Dragons Den Bar & Grille on the 2700 block of Robbins Avenue.

Firefighters said the fire started at the roof of the building, and the roof eventually collapsed.

Capt. Mike Hudzik said a firefighter sustained a minor burn to his hand. No one else was hurt, but the building is a total loss.

A Facebook post from the bar said it would be closed until further notice and that it hopes to be back up and running someday soon.

Crews closed a portion of Robbins Avenue, but it has since reopened.