POLICE are hunting a blade-wielding thug who viciously attacked a dog walker in a Johnstone street.

The 43-year-victim was in Burns Drive, in the Cochrane Castle area of town, at around 7pm on Sunday when he became involved in an argument with an older man about the dog.

It is understood another man then approached and assaulted the victim with a bladed weapon, causing a "significant" head injury.

The victim, who was found by emergency services in nearby Tannahill Crescent, was taken to the Royal Alexandra Hospital, in Paisley, for treatment and later released.

Police have described the attacker as in his 20s to early 30s, of medium build and between 5ft 8ins and 5ft 10ins tall.

A spokesperson said: "Police in Johnstone are investigating following a serious assault in Cochrane Castle.

"The incident happened around 7.05pm on Sunday, January 9, in Burns Drive.

"A 43-year-old man sustained injuries to his head and was taken to the Royal Alexandra Hospital for treatment.

"Inquiries to identify those responsible are ongoing and anyone with information is asked to come forward."

Call officers on 101 if you have information.