KINGSPORT – A 60-year-old Kingsport man was killed in a single-vehicle accident Friday night. The Sullivan County Sheriff’s Office reports the accident took place in the 2600 block of Princeton Road in Kingsport around 8:40 p.m. on Friday. There were three people inside the vehicle at the time of the accident and it appears the driver lost control, striking a parked vehicle near the Diana Avenue intersection. Harold Cox of Kingsport was killed in the crash, the SCSO reports.