The incident happened on Sunday, 12 November 2023 at 6:15am.
It involved two men on Station Parade, with one receiving injuries to his face and head and was taken to hospital by ambulance.
Officers are asking members of the public to get in touch if they recognise the person in the image as they believe they will have information that will help the investigation.
If you wish to remain anonymous, you can pass information to Crimestoppers on 0800 555 111.
Please quote reference number 12230215138 when passing on information.