*PLEASE NOTE: An image of missing 87-year-old Xuedao Zhang will be posted on NSWPF social media pages**
Police are appealing for public assistance to locate an elderly man missing from Sydney's north-west.
Xuedao Zhang, aged 87, was last seen leaving his home on Wilga Place, Marsfield, about 3pm yesterday (Sunday 8 August 2021).
Officers from Ryde Police Area Command were notified of his disappearance later that day after he did not return home from a planned walk.
Police and family hold concerns for Xuedao's welfare as he has a medical condition.
He is described as being of Asian appearance, about 165cm tall, of medium build, with brown eyes, grey hair and a grey beard.
Xuedao was last seen wearing a brown jacket, cream-coloured pants and black shoes.
Anyone who may have seen Xuedao or knows of his whereabouts is urged to contact Ryde Police or Crime Stoppers.
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.