Police are urgently seeking the whereabouts of a 41-year-old man who was bitten by a snake in the Kelmscott area.
Nathan Scattini was walking in bushland when he was bitten this afternoon.
He rang St John Ambulance but did not know his location.
Police are in the area searching for Mr Scattini.
He is described as light skinned, 175cm tall, medium build and short dark hair and was wearing a black top, shorts, sneakers and sunglasses.
Police are concerned for his welfare and anyone who sights him are asked to call 000 immediately.