A 30-year-old woman needed stitches after being assaulted at Scarborough Fair.
It happened after an altercation involving two women and a man at the fair on Dean Road, Scarborough last month.
The victim suffered a cut to her eyelid which required several stitches.
Police are now appealing for witnesses and information about the incident which happened around 9pm on Thursday September 28.
Call 101 and ask to speak to PC Andrew Metcalfe or email Andrew.firstname.lastname@example.org
Alternatively, Crimestoppers can be contacted anonymously on 0800 555 111.