(DEVELOPING STORY) – Duncan Hollow Road in Roane County was closed to through traffic this afternoon after two vehicles collided. One came to rest on its top and the other went down into a deep ravine. Numerous emergency vehicles went to the scene and extricated one man from the wreckage. He was taken to Roane Medical Center for treatment of life threatening injuries. Others were injured in the accident. Duncan Hollow Road was closed for several hours while the accident was investigated and later cleaned up. More on this will be released at a later time.