South Fulton, Tenn.–At 3:20 a.m. today, South Fulton Fire & Rescue responded to US Hwy 51 on a report of a semi truck on fire approximately four miles outside of the South Fulton city limits. Crews arrived to find a fully involved semi truck with flames approximately 20’ in height. Union City Fire Department responded on an automatic aid alarm. Crews were able to extinguish the fire without further incident. Obion Co. Emergency Management was notified of a moderate amount of diesel leakage. (South Fulton Fire & Rescue photo).