A tractor accident killed one person in Louisa County Wednesday. The Sheriff’s Office reports that around 9 am, Brian Smith was involved in the accident at 11016 218th Ave near Columbus Junction. Smith was air cared to University of Iowa Hospitals for treatment of live threatening injuries but did not survive. Details are minimal at this time. According to Louisa County Sheriff Brad Turner, Smith was killed when a tractor he was standing near ran him over. The owner of the farm reported the incident to authorities but it isn’t clear if the owner was with Smith at the time or if he later came upon him. The accident remains under investigation.