Police are appealing for information regarding the incident, which took place at approximately 01:20 on Sunday 1 December.
A small group of men were involved in a fight inside the premises which continued outside in the street, according to police.
One person required hospital treatment as a result of the incident.
Three men were charged with grave and criminal assault, and appeared in the Magistrate Court last week.
CAN YOU HELP?
Police would like to speak with anyone who was in the area at the time and saw the incident.
Anyone who has any information is asked to contact police on 612612, or the independent charity Crimestoppers anonymously on 0800 555 111 or via their anonymous online form at Crimestoppers-uk.org.