A teenager was assaulted in Moss Vale on Saturday, March 18.
Police are seeking assistance after the 17-year-old teen was assaulted outside the Moss Vale showgrounds.
The teen was waiting outside the showgrounds when he was approached by three unknown males who demanded property from him.
The teen refused and was assaulted by the three males who then left the scene.
The teen returned home and sought medical attention at Bowral and District Hospital the following day.
They were diagnosed with injuries to the spleen and transferred to Liverpool Hospital for further assessment.
Police from The Hume Local Area Command are investigating the incident and are appealing for anyone with information to come forward.
Information can be given anonymously.
Police have urged anyone with information in relation to this incident to call Crime Stoppers on 1800 333 000 or use the Crime Stoppers online reporting page, https://nsw.crimestoppers.com.au/.