Three men were set upon by a large group of teenagers.
It happened in Station Square at around 1.20am on Sunday 22 December and was thought to involve a group of up to 20 youths, both male and female, aged around 14 and 15 years old.
Members of the group are thought to have repeatedly punched and kicked the three men.
Anyone with any information is urged to contact police on 101 quoting crime reference numbers, CR/114455/19, CR/114458/19 and CR/114461/19.
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