MINNEAPOLIS (WCCO) — A snowmobiler suffered serious, life-threatening injuries Saturday, after being ejected from his sled, according to authorities.

The Pine County Sheriff’s Office received a 911 call reporting a snowmobile accident on Pokegama Lake around 9:15 p.m. Saturday.

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Crews responded to the scene of the accident and found a victim about 1,000 feet from the shore on the frozen lake. The victim was found with serious, life-threatening injuries and transported by sled to a waiting ambulance. From there, he was transported to the hospital in Mora via air ambulance.

Authorities said it appears the victim hit a partially submerged island and was thrown from his snowmobile.

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His condition at this time is unknown.

The victim’s name is being withheld while the investigation continues.

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This incident is not related to the incident of a missing snowmobiler on the St. Croix River.