A Massachusetts woman suffered serious head injuries in a snowmobile crash in New Hampshire on Monday afternoon.

The New Hampshire Fish and Game Department said it was notified shortly after 3 p.m. Monday that a snowmobile had crashed on the Lower Haystack Trail off of Bear Notch Road in Bartlett.

They said 40-year-old Jiamin Wei, of Chestnut Hill, had been driving a rented snowmobile when she failed to negotiate a downhill left hand turn and drove off the right side of the trail into a ditch, hitting a tree. Her 10-year-old son was a passenger on the machine.

Wei and her son were riding as part of a tour, and the guide was able to quickly call for help and provide an accurate location for rescuers. Along with a Fish and Game conservation officer, members of the Bartlett/Jackson Ambulance Service, the Bartlett Fire Department and the Bartlett Police Department responded.

The 10-year-old was not injured and was able to be driven by snowmobile from the scene. His mother had suffered serious head injuries but was stable. She was placed in a rescue sled and transported about 2 miles back to the trailhead, where she was transferred to an ambulance.

She was taken by ambulance to the Memorial Hospital in North Conway for treatment. No update on her condition was available.

An investigation is underway after an employee was found dead at the New Hampshire Insurance Department, state police said Monday night.

Around 9 a.m. Monday, State Police responded to the New Hampshire Insurance Department at 21 South Fruit St. in Concord after receiving a report that an adult male employee had been found dead at the agency.

Investigators at this time do not believe the man’s death is suspicious. There is no threat to public safety, state police said in a statement around 7 p.m. Monday.

The employee was not identified pending an ongoing investigation.

“Troopers secured the scene and an investigation remains ongoing,” state police said.

Authorities did not immediately release information about the man’s death, but provided information for the public to access in times of mental health crisis.

“The State Police remind anyone struggling with a mental health crisis that help is available,” state police said. “Anyone can call or text the Suicide and Crisis Lifeline at 9-8-8 for free and confidential support for themselves, a friend or a loved one.”

This is a developing story. Check back for updates as more information becomes available.

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