Thames Valley Police is appealing for witnesses following an assault in Oxford on Saturday 27 October at the Swan and Castle public house on Castle Street.
Between 11pm and 11.30pm, the victim, a 23-year-old man, was hit over the head with a glass during an altercation between a group of 5-6 men.
The offender is described as a white man, in his mid-to-late twenties, approximately 6ft 3ins, average build, with short dark brown hair and a short, thick beard. He was wearing a navy blue V-neck sweater.
The victim sustained a cut to his forehead, and was treated at the John Radcliffe Hospital where he had stitches.
If you witnessed this, have any information or think you recognise the description of the offender, please call the 24-hour non-emergency number on 101 or use the online reporting system, quoting reference 43180328747.
Alternatively, you can call Crimestoppers anonymously on 0800 555 111.