VINALHAVEN — An 18-year-old Vinalhaven man died Thursday night in a single-vehicle crash.

Connor Lazaro died following the crash on the North Haven Road shortly before 9:30 p.m. Aug. 18, according to the Knox County Sheriff’s Office.

The Toyota Tundra he was driving went off the road and struck some trees. The Sheriff’s Office said speed and alcohol may have contributed to the crash but a determination on the alcohol component will await a toxicological report.

Emergency personnel attempted life-saving measures when they arrived, according to Chief Deputy Dwight Burtis.