TULSA, Oklahoma -- Tulsa Fire marshal is investigating the cause of an early Tuesday morning apartment fire.
Firefighters were called to Mohawk Manor in the 3700 block of North Birmingham just before 6 a.m.
Fire officials say only one apartment unit was damaged but the entire complex had to be evacuated as a precaution.
A Tulsa district fire chief believes children in the damaged unit may have been using a candle, but they are still trying to determine the actual cause of the fire.
No one was injured.