Oconto County Sheriff’s Department is investigating a crash early Sunday morning in the town of Underhill. Sheriff’s Office 911 received a report of a once vehicle crash on Klatt Road. The preliminary investigation has revealed that the vehicle was northbound on Klatt Road from County Highway V and travelled off the road striking a tree stump. The 54 year old male driver of the vehicle was injured and transported to the hospital by Eagle III. A 54 year old male passenger was found deceased at the scene. Speed appears to be a factor in the crash. Names will not be released pending next of kin.