A woman in her 60s has been arrested as part of an investigation into a fatal assault in Ballybough, Dublin last month.
She is being detained at a garda station in Dublin.
Gardaí and emergency services responded to reports of an assault on Foster Terrace in the early hours of 31 January.
A man was discovered with serious injuries and was subsequently pronounced dead at the scene.
Two women, aged in their 60s, were taken to hospital for treatment for non-life threatening injuries.
Investigations are ongoing.