Another man has been arrested in connection with an attack in Blanchardstown in Dublin on Christmas Eve.
It is the seventh arrest in the investigation into the incident which led to the deaths of two men.
Tristan Sherry died following the attack in the restaurant, while Jason Hennessy Sr died 11 days later.
The man arrested this morning is being questioned at a garda station in the city where he can be held for up to 24 hours.
