Authorities are investigating a single-vehicle crash that killed one person in Grundy County Wednesday afternoon.

The accident happened around 1:30 PM on Iowa Highway 175 in Morrison. Sheriff's officials said an eastbound vehicle went off the pavement and entered the south ditch, then struck a tree on the western edge of the city.

According to authorities, the driver was pronounced dead at the scene. They did not immediately identify the victim.

Sheriff's officials said an autopsy will be performed to determine the cause of the person's death.

Grundy County sheriff's officials are conducting the investigation. Assisting them at the scene were the Iowa State Patrol, Reinbeck Fire and Ambulance, and Grundy Center Ambulance.