WA Police has released a photo of a man they say can help with the investigation into a violent incident in South Perth which left a 45-year-old man with critical injuries.

Members of the public have been advised not to approach Arron Leigh Rebbeck but to call police immediately on 131 444.

Witnesses have claimed three men were standing together in the driveway of a home on Hurlingham Road about 11.30am on Wednesday before one punched another in the face, knocking the 45-year-old man to the ground.

Camera Icon Police have called for public help to locate a man wanted in connection with a violent incident in South Perth.

The injured man is in Royal Perth Hospital in a critical condition.

Mr Rebbeck is described as dark skinned with a slim build, approximately 185cm tall with short brown hair.

He was last seen wearing a white long sleeve shirt, dark shorts, a dark coloured hat and dark coloured sneakers.