The Livingston County Sheriff’s Office has reported that a deputy responding to an emergency call was involved in a one-vehicle accident Thursday night. According to the report Deputy Brady Graham was on Highway 190 just west of the Thompson Bridge when he lost control of the patrol vehicle. The vehicle left the roadway and was damaged. Graham did not seek medical attention at the time of the accident. The in-car camera system reportedly shows the vehicle was in excess of 90 mph at one point prior to the crash. The Missouri Highway Patrol is in charge of the on-going investigation.