Police are investigating the circumstances surrounding the death of a man who was unconscious on the side of the roadway at Bilpin on Sunday.
Ambulance paramedics and CareFlight's rapid response rescue helicopter responded to Mountain Lagoon Road, Bilpin, following reports a man was unconscious and was not responding on the side of the roadway.
The paramedics and response rescue crew arrived to find a number of passersby performing CPR on the man.
A specialist doctor and intensive care paramedic joined ambulance paramedics with life-sustaining support. Despite their efforts, the man died at the scene.
It is believed the man may have choked on something or suffered a medical episode before going in to cardiac arrest.