A 34-year-old man attacked and fatally injured his former partner in her home before driving away and admitting he killed her, a jury at the Central Criminal Court was told today.

Daniel Murtagh of Melrose Grove, Bawnogue, Clondalkin, Dublin, has pleaded guilty to manslaughter but not guilty to the murder of 30-year-old Nadine Lott at St Mary's Court, Arklow, Co Wicklow, on 17 December 2019.

The trial is expected to last two weeks.

In his opening statement today, prosecuting counsel John O'Kelly outlined the evidence the jury will hear during the trial.

Mr Murtagh and Ms Lott first met in Darwin in Australia, but the relationship did not work out.

When they both came home, she lived in Wicklow and he lived with his parents in Clondalkin.

The court was told that Mr Murtagh came down from Dublin on 13 December 2019 and stayed in Nadine's apartment while she went to her aunt's birthday party that night.

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The court was told that between 3.30am and just after 4am in the early hours of 14 December, neighbours heard screaming, looked out and saw the door to Nadine Lott's apartment open.

The neighbour went to investigate and went into the living room where she saw Mr Murtagh attacking Ms Lott while she was on the ground.

Gardaí and the emergency services were called and Ms Lott was taken to St Vincent's Hospital where she died three days later.

The court was told the post-mortem shows she sustained extensive blunt force and sharp force trauma, had a stab wound to her neck and suffered multiple cardiac arrests and traumatic brain injury.

Following the attack, Mr Murtagh drove off in his Volvo car at around 4.30am, which was found crashed in a ditch at Laragh in Co Wicklow three hours later.

Mr Murtagh sustained injuries and people driving by stopped to help.

The court was told that Mr Murtagh told one man that morning he had "killed" his wife and a paramedic that he had "killed" his girlfriend.

Mr O'Kelly said this was significant because when he met people later that morning his state of mind was that he had killed Nadine.

Defence counsel Brendan Grehan told the court that Mr Murtagh wanted to make a number of admissions including that he had unlawfully killed Ms Lott.

Mr Murtagh has pleaded not guilty to the murder of Ms Lott, but guilty to her manslaughter.