No one was injured.
The Kingsport fire Department responded to Cloud Apartments about 11:30 a.m. Smoke was coming from an upstairs bedroom when units arrived, but the fire was quickly extinguished.
According to Barry Brickey, public information officers for the KFD, a child playing with a lighter in the bedroom ignited a mattress.
Family members of the child were home at the time, heard the child scream and responded to find fire in an upstairs bedroom.