MONTGOMERY COUNTY, Md. (DC News Now) -- A family of six and their dog are without a home after a fire broke out in their apartment unit on Friday evening. Just after 5 p.m., Pete Piringer with Montgomery County Fire and Rescue Service (MCFRS) said crews were at a two-story apartment in the 100 block of Duvall Lane. When they got there, smoke was showing from the roof. Potential gas leak prompts road closures in Anne Arundel County The fire had broken out in a first-floor apartment. The fire - which started in the fireplace - extended to the carpet before being extinguished. A dog was home at the time and was safely rescued by firefighters. No one was hurt, but a family consisting of two adults and four children was displaced.