Both men are currently detained in Garda stations in West Dublin.
There have been two more arrests in connection with the murder of Tristan Sherry.
Gardaí detained two men this morning as part of the investigation into the incident, which occurred in Blanchardstown in Dublin on Christmas Eve.
Both men are currently detained in Garda stations in West Dublin.
This is the eighth and ninth arrest made as part of the investigation.

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