The attack has left Nelson hairdresser Brent William Powell, 40, in Nelson Hospital intensive care unit in a coma with serious injuries.
Powell was about 30m from the intersection with Domett Street when he was assaulted.
He lay unconscious for about seven hours before a jogger found him and alerted the emergency services.
Nally said that his injuries included an intracranial bleed, severe swelling about the head and face, multiple facial fractures, a broken jaw and broken teeth.
Police had conducted a forensic scene examination at the scene of the attack.
He urged anyone with information to contact police or Crimestoppers.
Powell was about 30m from the intersection with Domett Street when he was assaulted.
He lay unconscious for about seven hours before a jogger found him and alerted the emergency services.
Nally said that his injuries included an intracranial bleed, severe swelling about the head and face, multiple facial fractures, a broken jaw and broken teeth.
Police had conducted a forensic scene examination at the scene of the attack.
He urged anyone with information to contact police or Crimestoppers.