An update to breaking news.
Investigators say they believe that they have located the cause of a deadly house fire.
An electrical source in the back of a house may be what sparked the fire that trapped a woman inside the structure Thursday afternoon near 3700 East 83rd Street in Tulsa.
We're told that the 50-year old woman could not get out as the smoke and flames made breathing impossible.
She died at the scene.
A 59-year old man who was found injured in the back yard was hospitalized in critical condition.
Neighbors found it impossible to attempt a rescue due to the smoke and flames.