The body of a nurse who died in tragic circumstances may have lain undiscovered for up to two days at a Dublin children's hospital.
The nurse, who was in her early 30s, was found on Tuesday morning in one of the rooms in Our Lady's Children's Hospital in Crumlin.
It is understood that the nurse was last seen on duty on Sunday.
It's believed that she was found in one of the rooms in the hospital which are set aside for parents' accommodation.
When her body was discovered, efforts were made to resuscitate her, but it was too late.
Gardai have now launched an investigation into the death, but are satisfied that there was no foul play involved.
A senior officer has confirmed that they were treating the death as a tragedy.
The investigation will include an examination of how a member of staff was in possession of a key for a parents' room.
Parents are given accommodation in a special section of the hospital.
Some parents whose child is a patient can be allocated a room but leave their belongings behind if they return to their home for few days.
In those situations the room is unlikely to be visited by staff.
The nurse's body was found in one of these room used occasionally by parents of sick children for resting.
She is understood to have completed her shift at the hospital on Sunday and then went into the room, which was unoccupied at the time.
Initial inquiries suggest that she died a short time later.
Her body was not discovered until Tuesday.
Staff at the hospital are understood to be devastated by the death of their colleague.
A spokeswoman for the hospital confirmed the death of a staff member.
"Our thoughts, prayers and deepest condolences go out to the staff member's family and friends and colleagues here Our Lady's Hospital," the spokesperson said.
"The hospital will be making no further comment as it is the subject of a garda investigation."
The General Secretary of the Irish Nurses and Midwives Organisation (INMO), Liam Doran, said the union had no comment.
He said he was aware of the incident and said it was a terrible tragedy.