A man who was allegedly assaulted in Caernarfon is being urged to get in touch with police.
The young man is believed to have been injured in an altercation which happened in Turf Square at around 3am on Sunday, May 19.
Police said the unknown man and three others were attacked during the incident.
Officers believe the man may have been hurt and want him to come forward.
Sergeant Steve Williams said: "We are appealing to this person to come forward to assist our ongoing enquiries. We believe he may have been injured and would like to know that he is safe and has received the appropriate care."
Anyone with information is asked to contact officers in Caernarfon Police Station on 101 or use the police's live webchat, quoting reference X068451.
Alternatively, call Crimestoppers anonymously on 0800 555111.
A man has been arrested in connection with the incident.
