BERKELEY COUNTY, S.C. (WCBD)- One person is dead following an ATV 4- wheeler accident. She has been identified as 19-year-old Natalie Matties from Wixom, Michigan. According to South Carolina Highway Patrol, it happened shortly before 1 AM Saturday morning on Poplar Hill Drive in the town of Cross in Berkeley County. Authorities say Matties was driving when the ATV ran off the right side of the road, hit a ditch, and overturned. Matties was thrown from the vehicle and died. She was not wearing a helmet. A 15-year-old passenger was also thrown from the ATV. The child was taken to the hospital and is listed in serious condition. SCHP is investigating the crash. They say Matties was in South Carolina visiting friends.