ATLANTA -- Fire officials are trying to figure out what started a fire that burned two vacant Atlanta houses.

Sgt. Cortez Stafford said the fires broke out inside the houses on Sims and Fletcher Streets after 7:30 p.m.

Stafford said there were reports of children playing near the houses shortly before the fire, but didn't indicate what they were connected to the incident.

Crews were able to extinguish the fires, and no one was reported injured in the incident.

Stay updated on this and other stories by downloading the FREE 11Alive News app now in the iTunes store or on Google Play.