OSCEOLA, Wis. — A young girl who was participating in a snowmobile safety class was killed when her machine accelerated and crashed in western Wisconsin.

Police in Osceola say the 13-year-old girl was taking a class taught by volunteers from the local snowmobile club on Saturday when her snowmobile suddenly accelerated and hit a loading dock. She was rushed to Osceola Medical Center, then airlifted to Regions Hospital in the Twin Cities and transferred to Gillette Children’s Hospital.