Authorities are investigating after a man died while driving a snowmobile in Pittsburg, New Hampshire, on Friday afternoon.
The New Hampshire Fish & Game Department said their rescuers responded to a call reporting a snowmobiler not breathing in the area of Diamond Ridge at around 1:47 p.m.
According to authorities, the victim tipped his snowmobile after having difficulty navigating a turn.
The man was with a group of coworkers who immediately came to his aid, but found him unresponsive. Despite efforts from the coworkers and good Samaritans to administer CPR, the man was pronounced dead at the scene.
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The man, identified by Fish & Game on Tuesday as 64-year-old Mark Lamothe, of Freedom, New Hampshire, was pronounced dead around 3 p.m. on Friday.
Investigators believe the victim may have suffered a medical emergency. The Medical Examiner's Office will determine cause of death.
The investigation is ongoing.
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