A single-vehicle crash Friday night in Mount Vernon took the life of one man while two others were seriously injured, according to the Kennebec County Sheriff’s Office.

Ethan Russell, 19, of Wayne was killed when a pickup truck he was riding in left the roadway and crashed. Deputy sheriffs responded to the scene at the intersection of North and Church roads about 10:15 p.m.

The crash is still under investigation, and the sheriff’s office said speed and alcohol may have been factors.

Another passenger, Richard Hall Jr., 21, of Mount Vernon, suffered serious injuries and was taken by Life Flight to Central Maine Medical Center in Lewiston. His condition was unknown Saturday night. The driver, Tyler Goucher, 21, of Mount Vernon, was also injured. His condition was also unknown.

Russell was pronounced dead at the scene.

A press release from the sheriff’s office said it appeared that none of the vehicle’s occupants was wearing a seat belt. Accident reconstructionists were on the scene following the crash and the vehicle was impounded. The deputies involved will seek a warrant to search the vehicle.