SUMNER – Oxford County sheriff’s deputies late Thursday rushed to a rollover crash on Greenwood Road off Route 219.

Crews from the Rumford Fire Department were called to the crash scene to help free a driver from a vehicle. A firefighter at the Rumford station did not know whether extrication was needed.

The driver of the vehicle lost control of the car and flipped it about 8:30 p.m., the fire official said.

The extent of injuries was not known. A county deputy was investigating late Thursday night.