Joan Dillon, 51, seriously injured after losing control of her snowmobile and rolling over on Highland Lake near Washington, New Hampshire

A 51-year-old Chelmsford, Mass., woman suffered serious injuries when she rolled her snowmobile on Highland Lake in Washington, officials said. Joan Dillon lost control while making a turn on the ice Saturday afternoon, New Hampshire Fish and Game officials said. An ambulance took Dillon to Concord Hospital, where her injuries are considered serious but not life-threatening. Investigators said Dillon's inexperience on the snowmobile was the main cause of her crash.