The incident took place near the Clock Tower in Lumley Road between 2.45am and 3am on July 26. The three people who were hurt received minor injuries, including scratches and bruising. A watch is also believed to have taken from one of these people.
The other group, consisting of two men and two women, are said to have carried out the attack. They are described as being black or of mixed-race.
After the incident, officers believe this group headed in the direction of Busters in Grand Parade before taking a taxi to Ingoldmells.
Anyone who witnessed this altercation, or has information which can assist the police investigation, is asked to call 101, quoting the reference 76 of 26 July 2020
Alternitively email [email protected], putting the reference in the subject box
You can also police us through the independent charity Crimestoppers, anonymously, on 0800 555 111 or online at crimestoppers-uk.org