The Redwood County Sheriff’s Office is investigating a fatal car accident that occurred early Sunday morning on Main Street in the City of Walnut Grove. The crash was reported at just before 2am Sunday. A 1998 Honda Civic driven by 27-year-old Micky Her collided with a tree in the city park. Her was transported from the scene to the Tracy Hospital before being airlifted to the Sioux Falls Hospital, where he was pronounced dead. The Walnut Grove and Lamberton Police Departments, as well as the Walnut Grove Fire Department assisted at the scene of the crash.