A young man is dead and another injured after a car crashed into a parked truck in Helensburgh in the early hours of Sunday morning.
Emergency services were called to Walker Street about 2am to reports of an accident.
Police say initial investigations suggest a car crashed into a parked and unattended Tipper truck.
A male passenger believed to be in his late teens died at the scene.
The 20-year-old man who was driving the car sustained multiple injuries and was taken to St George Hospital in a critical condition.
Officers from Crash Investigation Unit attended to investigate the circumstances surrounding the crash.
Walker Street is closed in both directions while the scene is being examined.
A report will be prepared for the Coroner.