(North Fairmount) Two families have been displaced after an apartment fire in North Fairmount. Fire crews were called to the Villages at Roll Hill for a fire that began in a second floor duplex apartment at about on 2525 Nottingham Road in North Fairmount. Firefighters say the fire began in a bedroom near the rear of the apartment. The fire is still under investigation but investigators believe a child playing with matches may be the cause.Firefighters said two apartments were damaged and no one was injured. Damage is estimated at $25,000. The Red Cross is helping a mother and her three children who live in the apartment where the fire started and an adult and child who live next door.