Roanoke County authorities are searching for 76-year-old Tom Blankenship who suffers from dementia. He wandered away from his home in the Wisteria Place Court area in Bonsack around noon. Search teams made up of Police and Fire and Rescue are currently searching for him. Blankenship is 6 foot tall and was wearing a red and white flannel shirt with blue jeans and is walking with a small black dog. If you see him, please call Roanoke County Dispatch at 562-3265.