Police are appealing for public assistance to locate a man missing from Sydney's north west overnight.
Oei Ng Tjiooan, aged 78, is believed to have left a home on Michael Street, Tallawong, about 1.30am (Wednesday 8 April 2026).
Officers attached to Riverstone Police Area Command were notified and commenced patrols of the area with family; however, he has not been located.
Oei lives with dementia and police, and his family hold concerns for his welfare.
Oei is described as being of Asian appearance, about 150cm-160cm tall, of thin build, and short dark hair.
He was last seen wearing a white t-shirt, light coloured trousers and sandals.
Anyone in the area who may have seen Oei is urged to contact police. Local residents are also urged to check their properties.
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.
