One person is dead following an accident at the Mercer County Fairgrounds. The mishap occurred Friday afternoon just before 2.p.m. Emergency personnel responded to a report of a man being trapped under an agricultural apparatus. He was pronounced dead at the scene. His name will be released by the Mercer County Coroner’s office. The Mercer County Sheriff’s Department, Aledo Police, Genesis Ambulance and Aledo Fire responded to the call.