(KMOV) -- Firefighters battled a blaze that ripped through a house in O'Fallon, Illinois early Thursday morning.
The fire broke out in the 1600 block of N. Green Mount around 3 a.m.
Four adults who were home at the time were able to get out safely. Firefighters also rescued the family's dog.
Firefighters said the the home suffered heavy damage.
Authorites believe the fire began in a back bedroom. They continue to investigate the cause.
The Red Cross was contacted to help the residents who were displaced.
No injuries were reported.