A 26-year-old Gainesville man was killed Sunday in a single-vehicle wreck on Ga. 60 near the Silverwood subdivision in Hall County. Georgia State Patrol responded to the accident at about 3 a.m. According to the accident report, Adrian Harper, 26, lost control of his vehicle, collided with an embankment and was ejected from the vehicle. He was taken to Northeast Georgia Medical Center. Harper was not wearing a seat belt, and officials are unsure what caused the wreck. It is unknown at this point if alcohol was involved. Officials are investigating the incident.