A 17 year old girl was knocked unconscious during an assault in Aylesbury town centre over the weekend.
The incident occurred outside the Nationwide Building Society in Kingsbury in the early hours of Sunday, at 3.40am.
A mixed race man, in his early twenties who was wearing jeans and no shirt, had an altercation with a 17 year old girl which resulted in her being knocked unconscious.
She did not require hospital treatment.
PC Phil Duthie who is investigating, said: “This was a nasty incident and I would like to speak to anyone who was in the area and who may have witnessed what happened.”
Anyone who has any information should contact PC Duthie at Aylesbury via the 24-hour police enquiry centre on 0845 8 505 505.
If you do not want to talk to the police, call the Crimestoppers charity anonymously on 0800 555 111.