Police are continuing their coordinated search for 78-year-old William Hetherington, reported missing from the Dallarnil area north east of Biggenden.
Mr Hetherington suffers from a medical condition and last spoke with his family on the phone around 5.50pm on Saturday.
He is described as Caucasian and approximately 175cm tall, with grey hair and green eyes.
Police urge anyone with information regarding the whereabouts of William since Saturday October 9 to come forward, as he may have been picked up by a passer-by on the Isis Highway at Dallarnil.
Police and family have expressed their concerns for his welfare as he may be confused or disorientated; officers are currently searching his rural property at Dallarnil.
It is believed he may have left the property; Police are urgently appealing for anyone who has seen William or has further information to come forward.
