Firefighters were dispatched at 8:05 p.m. on Sunday to respond to a large commercial structure fire at Montessori Infant Care and Preschool in the 3900 block of Pennsylvania Avenue.

The first unit on scene reported smoke and fire and the need for forcible entry. There was a report of one minor injury to a firefighter who was treated at the scene. There were no civilian injuries. It took about 30 minutes for the fire to be knocked down.

The cause of the fire is still under investigation.