An investigation is underway after a motorcyclist died in a crash in Sydney's west overnight.
About 2.45am (Saturday 17 July 2021), emergency services were called to Mamre Road, St Marys, near Hall Street, following reports of a motorcycle crash.
The rider, a man believed to be aged in his 40s, was treated at the scene by NSW Ambulance paramedics, however, he died at the scene.
A crime scene was established and an investigation commenced by officers from Nepean Police Area Command.
A report will be prepared for the Coroner.
Police are appealing for any witnesses or anyone with information about this incident is urged to contact Crime Stoppers: 1800 333 000 or https://nsw.crimestoppers.com.au. Information is treated in strict confidence. The public is reminded not to report information via NSW Police social media pages.