A motorcycle rider has been seriously injured in a crash with a car at Caringbah.
The accident, which occurred about midday today (Wednesday) in Northumberland Road, involved a Honda Civic sedan and a Harley Davidson motorcycle.
A police statement said the motorcyclist, a man aged 71, was treated at the scene by NSW Ambulance paramedics and taken to St George Hospital in a serious but stable condition.
He underwent emergency surgery for leg injuries.
Officers from Sutherland Police Area Command established a crime scene and commenced an investigation.
The car driver was assisting police with their inquiries.
As investigations continue, police urge anyone with witnessed the incident or has dashcam to contact Sutherland Police Area Command or Crime Stoppers on 1800 333 000.