BUCKFIELD — An accident involving three cars and one pedestrian Saturday morning resulted in life threatening injuries for two people, one in a car and the pedestrian.

The accident happened just before 11 a.m. on Route 140 in front of the Buckfield-Sumner Transfer Station.

The Oxford County Sheriff’s Department responded and, according to police, the incident began with one vehicle rear-ending another.

The vehicle that was hit was pushed forward, hitting a pedestrian and another vehicle, both within the transfer station. Deputies say the vehicle that was rear-ended rolled over.

The operator of the vehicle that rear-ended the second was transported to Central Maine Medical Center with non-life threatening injuries.

The operator of the rear-ended vehicle and the pedestrian were transported to CMMC with life-threatening injuries — the person in the car was transported by LifeFlight and the pedestrian by Buckfield Rescue.

Police have not identified any of the injured.

Route 140 was shut down for several hours while the accident was reconstructed.

Both Buckfield Rescue and Turner Rescue assisted at the scene, as well as Buckfield and Sumner fire departments.

The crash remains under investigation.

This story will be updated.

emarquis@sunmediagroup.net