Neighbors helped each other get out of a burning duplex in the Highland Park area Friday night.
It happened just before 7:30 p.m. in the 1800 block of E. 4th Street.
Fire officials say people on one side of the duplex smelled smoke and went outside and saw smoke.
They then alerted the people on the other side of the duplex so they could get out safely.
The Chattanooga Fire Department found heavy smoke coming from the residence when they arrived on the scene.
Firefighters got the fire out. Holes were cut in the roof to ventilate the structure.
There were no injuries.
The Red Cross was contacted to assist impacted residents. The Chattanooga Police Department and Hamilton County EMS were also on scene.
The cause of the fire is under investigation.