PHOTOS: A firefighter was injured and six adults and four children were displaced after an apartment building fire early Friday morning in Northwest Washington. DC Fire and EMS says the firefighter suffered a minor injury and was transported to an area hospital. One person was treated for a minor injury at the scene of the fire. The fire occurred on the first floor of the three-story apartment building located in the 1200 block of Randolph Street, NW. Officials say the fire is under control and an investigation is underway.