A man in his twenties has suffered a knife injury to his arm which required hospital treatment.
An altercation involving two men occurred on Saxon Place, off Dodsworth Avenue, in the early evening of Sunday 13 March 2016.
Police are investigating the circumstances surrounding the assault. In particular, officers want to speak to a man seen in the area driving a small dark-coloured car. He is described as white , about 5ft tall, skinny build and short dark hair.
Anyone with information about the incident is asked to contact 101, select option 2, and ask for York Serious Crime Team.
Alternatively, you can pass information to Crimestoppers anonymously on 0800 555 111.
Please quote North Yorkshire Police incident number 12160044397 when passing information.