The incident at a restaurant led to the deaths of two men.
A teenager has appeared in court charged in connection with the violence on Christmas Eve in Blanchardstown.
Jonas Kabangu, whose address can’t be published by order of the judge, was granted bail today.
He's due back in court in March.
The 18-year-old is accused of using, or threatening to use, unlawful violence in a way that would cause a person to fear for his, or another person's safety.
Tristan Sherry died from head injuries suffered after he shot Jason Hennessy Senior in Browne's Steakhouse on Main Street in Blanchardstown on Christmas Eve.
Mr. Hennessy died in hospital eleven days later.
