LEXINGTON, S.C. --
A patient has died after the ambulance he was in wrecked on Interstate 20 in central South Carolina.
State troopers say the ambulance ran off the right side of I-20 near the U.S. 378 exit in Lexington County around 12:40 p.m. Tuesday, hitting a sign and a tree.
Troopers say the ambulance then went back across the highway, striking the concrete wall in the median.
Authorities say the 51-year-old patient died at the hospital, while the driver and a passenger riding in the back suffered minor injuries.
The name of the patient has not been released.
The Highway Patrol's special investigation team is looking at the wreck.