Police are investigating a fight in Hindley Street overnight that left a man with serious head injuries.
Police and paramedics were called Hindley Street, Adelaide, just after 4am this morning, Saturday 18 September by reports of a fight.
Two men had become involved in an altercation at the corner of Morphett Street and Hindley Street.
One of the men was found unconscious on the roadway. The 20-year-old man was treated at the scene by paramedics before being taken to the Royal Adelaide Hospital with serious head injuries. He remains in a critical but stable condition.
Police wish to speak with another man about the incident who left the scene before emergency crews arrived.
Anyone who witnessed the incident can provide their details to police via Crime Stoppers on 1800 333 000 or online at www.crimestopperssa.com.au