Police are appealing for information after a large group of young people threw an object at a member of the public at Norton Skatepark.
The person was then subjected to verbal abuse.
The incident happened between 7-8pm on Tuesday 13 July bur police have only just released details.
Officers say they are aware of a number of instances of antisocial behaviour occurring at this location and are calling for anyone with information about the individuals responsible to get in touch.
The young people involved are believed to be roughly 16 years of age.
Anyone with information that could assist the investigation should contact North Yorkshire Police on 101, select option 2, and ask for Jane Jones 1492.
You can also email [email protected]northyorkshire.pnn.police.uk
If you wish to remain anonymous, you can pass information to Crimestoppers on 0800 555 111.
Please quote the North Yorkshire Police reference number 12210159510