Saturday evening July 2, DC firefighters were dispatched after numerous calls reported a building on fire in the 1800 block of Calvert Street N.W. Upon arrival units reported heavy smoke showing in the front and fire in the rear. The fire had extended to the 3rd floor and roof. A Second Alarm was sounded including Tower 3. Units made an aggressive attack inside and truck companies did their job which held the fire mainly to the building of origin.