A duplex caught fire just after 2:00 p.m. Wednesday. Fire officials say a 5-year-old boy started the blaze.
A total of four fire trucks and 21 firefighters worked quickly to knock down the fire at 423 Broken Spoke Drive.
Four children ranging in age from 5-15 were home alone at the time of the fire.
Investigators say the 5-year-old was playing with fire and started a bed on fire.
Officials say the fire caused more than $100,000 in damage.
No one was injured in the fire.