A teenager has been arrested in connection with an attack which left a 17 year old boy with head injuries in Banbury.
Things turned violent after a verbal altercation between victim and attacker in Upper Windsor Street in the early hours of Saturday.
The 19 year old's been released under investigation. The victim was taken to the John Radcliffe Hospital where he remains.
Investigating officer Detective Constable Darren Pomroy, of Force CID at Banbury station, said: “We are appealing for witnesses to this incident where a teenager suffered injuries and had to be taken to hospital.
“I would ask anyone in the area who saw or heard anything to get in touch with police to help with the investigation.
“Anyone with information is urged to call 101 and quote 43190034543.
“Reports can be made online at https://www.thamesvalley.police.uk/tua/tell-us-about/cor/tell-us-about-existing-case-report/ or you can call Crimestoppers anonymously on 0800 555 111.”