Two more people have been arrested in connection with a hit and run which killed two people in Blanchardstown in December.
Anthony Hogg and Georgina Hogg Moore were struck by a car which failed to remain at the scene on the evening of St. Stephen's Day.
A man in his 40s and a woman in her 30s are being held at a Dublin Garda Station.
Another man has previously appeared before the courts in connection with the crash.
A garda spokesperson says: "Gardaí continue to investigate the fatal hit-and-run road traffic collision involving a car and pedestrians that occurred at Blanchardstown, Dublin 15, on Thursday evening, 26th December 2024.
"Gardaí have arrested two persons this morning in relation to this fatal road traffic collision.
"A man, aged 40 years was arrested in connection with this investigation and he is currently detained under Section 30 Offences Against the State Act, 1939 at a Garda station in the Dublin.
"A female, aged in her 30s was arrested and is currently detained under Section 4 of the Criminal Justice Act, 1984 at a Garda station in Dublin.
"Investigations ongoing."