The authorities are not looking for anyone else in relation to the incident.
A man remains in Garda custody following the death of a woman in County Mayo.
The body of the woman who was in her 40s was found at a house in the Kilbree area of Westport, shortly after 10 o'clock yesterday morning.
A man was arrested and remains at Castlebar Garda Station for questioning.
Gardaí say they are not looking for anyone else in relation to the death.
A post-mortem examination to establish the cause of the woman's death is expected to be carried out later today.
The scene has been preserved overnight pending examination by the State Pathologist and the Garda Technical Bureau and the investigation is ongoing.
An incident room has been set up at Castlebar Garda Station, and anyone who can assist with the inquiry is asked to come forward.
The family of the deceased woman has been notified and a family liaison officer has been appointed.
