THAMES Valley Police are appealing for a 16-year-old girl to come forward who may have seen a man being beaten up in a 'brutal, unprovoked' attack.

The force says the girl 'is not in trouble'.

The attack happened in the early hours of the morning on Sunday September 1 at West End in Witney.

The victim, a man in his 50s, was set upon by three men.

As a result of the attack he sustained a fractured cheekbone, broken ankle and a black eye that required hospital treatment and has since been discharged.

In an updated appeal for witnesses to the incient of grievous bodily harm in the town, Thames Valley Police said: "Officers are interested in speaking to a specific witness who may have vital information about the incident. 

"She is described as a girl, around 16-years-old, 5ft 3in tall and of slim build. She has bobbed blond hair and was wearing a bright pink dress with ballet pump shoes.

"The girl is not in toruble but we would like to speak to her with regards to this incident."

The first offender is described as a white man, who was wearing a dark coloured hooded top.

The second offender is described as a white man, around 6ft tall with short dark hair. He was wearing a dark coloured tracksuit top and bottoms.

The third offender is described as a white man, who was wearing a grey coloured hooded top.

Investigating officer, Detective Constable Samantha Bonner, of Force CID, based at Banbury police station, said: "This was a brutal, unprovoked attack that has left the victim with serious injuries.

"I am appealing for anyone who may have witnessed this incident or who may have information about what happened to please come forward.

"Anyone with information can contact police on the non-emergency number 101, quoting reference 43190269540, or make a report online.

"Alternatively, you can contact the independent charity Crimestoppers on 0800 555 111 if you wish to remain anonymous."