A 21-year-old man is being questioned over the murder of a 50-year-old woman in Bray, Co Wicklow.
The woman's body was discovered at a house at Deepdales, a housing estate just off the Southern Cross Road, at 1.30am this morning.
Deputy State Pathologist Michael Curtis carried out a post mortem examination at St Columcille's Hospital, Loughlinstown, and a preliminary report has been given to gardaí.
Gardaí are not releasing the results of the post mortem but said the women died in violent circumstances.
A family liason officer has been appointed to the case.
Gardaí carried out door-to-door inquiries in the area today to establish what happened last night.
The man was arrested at 11am and is being held at Bray Garda Station.