Police are appealing for public assistance to locate a man missing from Sydney's west.
Mark Smith, aged 40, was last seen in Blacktown, about 10:45am yesterday (Friday 28 August 2026).
When he could not be located or contacted, officers attached to Riverstone Police Area Command were notified and commenced inquiries into his whereabouts.
Police hold concerns for Mark's welfare.
He is described as being of Caucasian appearance, with a thin build, about 170cm-180cm tall, with short brown hair, brown beard and moustache and brown eyes.
He was last seen wearing a white jumper, blue long pants and black and white shoes.
Mark is known to frequent the Blacktown and Riverstone areas.
Anyone with information about his whereabouts is urged to contact Riverstone Police or Crime Stoppers on 1800 333 000.
Anyone with information about this incident is urged to contact Crime Stoppers: 1800 333 000 or https://nsw.crimestoppers.com.au. Information is managed on a confidential basis. The public is reminded not to report information via NSW Police social media pages.
