An early morning fire last left a family of five displaced. Chattanooga firefighters were called to the Stoneridge Apartments about an automatic fire alarm going off around 3:00 am Tuesday morning. Firefighters were told by some residents that there was a small fire in a vacant apartment on the second floor. The buildings sprinkler system had been activated. Firefighters only had to stomp out the remaining fire. The main damage caused by the fire was damage from water that leaked into the apartment below. Red Cross volunteers are helping the family because the power to their apartment had to be turned off. The cause of the fire is being investigated. No one was hurt.