Gardai investigating the murder of 75-year-old Miriam Burns at her home in Killarney, Co Kerry, on Monday, fear the mother of four suffered a violent death at the hands of someone known to her.
A man in his 50s was arrested on suspicion of murder just one hour after the murder investigation was confirmed by gardai following post-mortem results.
The man, who was detained in the south Kerry area, was taken to Killarney garda station, where he was held under Section 4 of the Criminal Justice Act and can be questioned for up to 24 hours.