A 21-year-old Rochester man was killed Wednesday afternoon in a rollover crash on Interstate 90 in Olmsted County.

The man, who has yet to be identified, was heading east on the highway when his car entered a ditch and rolled multiple times, according to the Minnesota State Patrol. Officers found the vehicle just before 3:15 p.m., about 2 miles east of Hwy. 63., with one lone occupant dead inside.

The victim was not wearing a seat belt, authorities said.

The State Patrol and the Olmsted County Sheriff’s Office are investigating.