KINGSPORT AUTHORITIES BELIEVE A POSSIBLE MEDICAL CONDITION CAUSED A THREE VEHICLE ACCIDENT AND SENT AN AREA MAN TO THE HOSPITAL. POLICE SAY 80 YEAR OLD RAY LEEPER OF CHURCH HILL WAS TRAVELING EAST ON CENTER STREET IN HIS 1997 MITSUBISHI WHEN, FOR REASONS UNKNOWN AT THIS TIME, IT WENT OVER A CURBING AND STRUCK A SECOND VEHICLE WHICH IN TURN STRUCK A THIRD VEHICLE. LEEPER’S VEHICLE LANDED UPSIDE DOWN. HE WAS TRANSPORTED TO WELLMONT HOLSTON VALLEY HOSPITAL WITH APPARENT NON-LIFE THREATENING INJUREIS. NO CHARGES HAVE BEEN FILED AT THIS TIME. THE ACCIDENT IS UNDER INVESTIGATION.