We are re-appealing for information following an assault in Chippenham playing fields in Monmouth on Tuesday 26th July 2016.
The offence occurred sometime between 10:30pm and 11:00pm.
The victim was pulled from behind by a man and violently assaulted.
The suspect is described as being a white male possibly 18 to 19 years old and around 5ft 11 in height. There was another man with the suspect with a similar description.
One of the men is of a slim frame, possibly wearing tracksuit bottoms, the other man had short brown hair with a beard/moustache.
If anyone has any information regarding this incident please call Gwent Police on 101 quoting log number 138 27/07/16.