A teenager has been arrested on suspicion of assaulting a 62-year-old man who has suffered a serious head injury.
The victim is receiving hospital treatment for an injury sustained in St Helier on Sunday afternoon (5 March).
Two men were arguing on Albert Street at around 5pm.
The argument turned physical, resulting in the injury to the 62 year old.
A 17 year old boy has been arrested on suspicion of grave and criminal assault and is still in police custody.