Williamson Co. – A Harrisburg man is dead and several others injured after a wreck involving a semi in rural Williamson County yesterday morning. According to State Police Accident reports, a two vehicles were driving in the northbound lane of Route 148 near Ogden Road when for unknown reasons an oncoming semi swung into the northbound lane causing the two northbound vehicle to wreck before eventually rolling onto its side. The driver of the first vehicle was taken to a local hospital with head injuries. The driver of the second northbound vehicle was hospitalized and then airlifted to a regional hospital along with two passengers being taken via ambulance to local hospitals. The driver of the semi, Randall Engelby was pronounced dead on the scene. No word on what caused the accident at this time.