GIBSON TOWNSHIP, Mich. -

Authorities say two people died after the motorcycle they were riding crashed into a tractor in Bay County.

MLive.com reports that 26-year old Kevin Hatfield of Bentley and 20-year-old passenger Shilo Runberg of Bay City died following the Monday night crash in Gibson Township, about 120 miles northwest of Detroit.

Police say they were trying to pass the tractor when it turned.

Police say the motorcycle riders weren't wearing helmets.

The tractor driver wasn't injured.