MERCER, WI -- A 40-year-old man is dead after an overnight snowmobile crash in Iron County.
According to the Iron County Sheriff's Office, a call came in around 12:53 a.m. on Sunday about a snowmobile crash on Trail 10 in the Town of Mercer.
The caller reported that the operator of the snowmobile was unresponsive.
Officials said emergency responders attempted life-saving measures when they arrived on the scene, but were unsuccessful.
The driver, a 40-year-old man from Illinois, was pronounced dead on the scene.
The Iron County Sheriff's Office and Wisconsin DNR are conducting an investigation to determine the cause of the crash.