A man in his 20s was knocked unconscious and sustained a head injury in Oxford, sparking a police appeal.

Thames Valley Police has released an image of a man they want to speak to following the incident. 

It occurred at around 1.30am in Cowley Road on Friday, May 17, earlier this year.

The alleged victim, a man in his 20s, was knocked unconscious and sustained a head injury following the assault by two other men.

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The victim required hospital treatment but has since been discharged.

Investigating officer PC Louise Bates said: “I am appealing to anyone who recognises the individual in the image as they may have vital information to assist us with our enquiries.

“Additionally we ask anyone with mobile phone, CCTV or dash-cam footage to get in touch with the force in case it has captured something which may assist this investigation

“If you have any information relating to this incident, please call 101 or report it online, quoting 43240228779.

“Alternatively, if you wish to remain anonymous, you can contact the independent charity Crimestoppers on 0800 555 111 or via its website.”