Dead is Ackeem Llewelyn of Cousins Cove, Green Island, while an 11-year-old boy and a 26-year-old man were also shot and wounded in the incident.
According to police reports Llewellyn was gunned down while at a shop in the community at approximately 10 pm.
It is alleged that the gunmen rode up to the establishment on a bike and opened fire on those gathered. Three persons where later found suffering from gunshot wounds.
The victims were rushed to hospital where Llewelyn was pronounced dead.