A Traverse City man has been killed after the snowmobile he was operating slammed into trees in Northern Michigan.
Authorities say two people have died in separate snowmobile crashes in Michigan in recent days.
Authorities in the Upper Peninsula say an Illinois man was speeding on a snowmobile when he left a road and hit a tree.
West Michigan authorities say speed may be a factor in the death of a 65-year-old Lake County man whose snowmobile struck a tree.
Authorities say a 72-year-old woman from Brighton has died following a snowmobile rollover in the northern Lower Peninsula.
Officials say Dawn Bergmooser was riding a snowmobile with a small group of people when she apparently lost control of the vehicle.
Police are investigating the accident in which Daniel Haines, 40, was teaching his 15-year-old daughter to ride a snowmobile.