A snowmobiler was killed Monday afternoon after running a stop sign in West Yellowstone, police there reported.

Two people riding a snowmobile rode through a controlled intersection and were struck by an SUV knocking the riders off. The pair were on vacation from out-of-state and renting a machine.

One rider pronounced dead at the scene and the other was flown to a hospital in Idaho Falls and is reported to be in critical condition.

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Also on Monday, two Minnesotans called 911 to report they were stranded.

Gallatin County Sheriff’s Search and Rescue helped the 20-somethings to extract the machines about 9 miles west of West Yellowstone in the Lionshead area.

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Last Thursday, search and rescue were dispatched to help find a lost Minnesotan deep in the woods.

While riding in an “extreme backcountry area” on Jan. 10, three men were separated. Two made it out and reported the third was lost and stuck. The pair provided the last known GPS position to authorities, which was “very steep and heavily wooded.”

The man, 29, was found five hours later. He rode out with rescuers.

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Two weeks ago, search and rescue helped an Oregon woman involved in a snowmobile crash.

A call came in Jan. 3 reporting a woman, 46, sustained a head injury when she crashed into the back of the snowmobiler in front of her. The outfit was on the Horse Butte Trail, about eight miles northwest of West Yellowstone.

She assessed in the field and brought on a rescue sled, followed by an ambulance trip to Big Sky Medical Center.

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Gallatin County Sgt. Phil Esterhaus says “Hey. Let’s be careful out there,” to recreational snowmobilers.