(KRON) -- The California Highway Patrol is investigating an overnight fiery fatal crash near Monte Rio. The solo-vehicle collision, which occurred around 12:17 a.m. Monday, killed the driver and seriously injured two passengers, authorities said.
According to the preliminary investigation, the driver was traveling westbound on Highway 116 when they lost control of their Mercedes near Redwood Drive and left the roadway. The car crashed into a rock and a tree and caught fire.
Two men who were passengers inside the car were able to escape the flames. They were transported to the hospital with major injuries.

The driver, who was not identified, was found deceased inside the vehicle after crews put out the fire.
“The cause of the crash remains under investigation, including whether alcohol was a contributing factor,” CHP wrote.