UPDATE: Greg Pearton has been located and is receiving medical treatment.
Police and family are concerned for the welfare of Greg Pearton who was last seen around 3.30pm yesterday in the Rokeby area.
Greg is described as around 5 foot 8, with grey shoulder length hair, and grey stubbly facial hair.
He may be wearing jeans and a windcheater jumper.
Police say Greg has a medical condition and may be disoriented.
Anyone who has seen Greg or knows where he is, is urged to phone 131 444.