LEBANON – The York County Sheriff’s Department is investigating a three-vehicle collision on Route 202 that injured 10 people, including three adults and seven children.

Authorities said the accident occurred just before 2 p.m. Saturday on a part of the road known as Carl Broggi Highway.

Identifications were not immediately released.

The crash involved a Jaguar and a Chevrolet Blazer from New Hampshire and a Ford Explorer from Maine, according to the sheriff’s office.

Authorities said the most serious injury happened to an 8-year-old boy who was unconscious and flown to Maine Medical Center in Portland.

Three people were brought to Frisbie Hospital in Rochester, N.H., and six people were brought to Goodall Hospital in Sanford, authorities said.