Tulsa Fire Department officials are trying to figure out what started a fire an apartment complex near 71st and Lewis.
Firefighters said it started around 2:15 a.m. Monday morning at the Avondale Apartments.
According to firefighters the fire appears to have started in the attic.
Several units were impacted by the smoke however no one was hurt.
This is a developing story, stay with News On 6 for updates.