State police say two men were killed and two others were injured when a dump truck and pickup truck collided on Route 9 in Durham Wednesday morning.

The pickup truck turned onto Route 9 from Rabbit Road and struck the side of the dump truck, state police said in a news release Wednesday.

The pickup caught fire after the collision. Three men inside the burning truck were pulled out of the vehicle by a passerby.

Two of the men were pronounced dead on the scene, Malakai Cawood, 21, of Limington and Brendon Harthorn, 24, of Cornish, the release said.

The third man, Jeremy Reardon, 35, of Buxton, was taken by Life Flight to Central Maine Medical Center in Lewiston for treatment of multiple injuries.

The three men, employees of Plowman Construction in Gorham, were on their way to a job site in the area.

The dump truck driver, Clifton Larrabee of Durham, was taken to Maine Medical Center in Portland. The dump truck, owned by Larrabee Construction in Durham, overturned and landed on its side. The dump truck was empty at the time of the accident.

The crash, reported at 7:15 a.m., shut down traffic on Route 9 for hours.

The crash remains under investigation.