Carter County, Tennessee authorities are investigating a deadly shooting.

Sheriff Chris Mathes tells News 5, it happened a little after nine o'clock Thursday night at 183 Hiltons Hill Road.  That's in Elizabethton's Watauga Community.

Sheriff Mathes says a 26-year-old man was shot and killed, in what appears to be, a domestic-related altercation.  We're told, another man has been arrested and is also being treated for chest pains.

That investigation is continuing and News 5 will bring you the latest facts as they become available.