KALKASKA CO. -- A man and his son are hurt after their snowmobile crashed into a trail groomer in Kalkaska County.

The crash happened on the Blue Bear Trail in Blue Lake Township around 3:00 p.m. Friday.  Rescue crews were still on scene more than an hour later.

You can look for further updates on UpNorthLive.com or on 7 & 4 News as more details are released.