A teenage girl from Kilkenny has died while attending the Kodaline Concert at Marlay Park on Friday night.
The 17 year old was treated by medical staff at the concert site before being rushed to Tallaght Hospital where she was pronounced dead.
It's understood she had a pre-existing medical condition and became ill at the concert.
A Garda report will be prepared for the coroner and an autopsy will be carried out to determine the direction of a Garda investigation.
Concert promoters MCD have expressed sympathy, on behalf of themselves and Kodaline, to the family and friends of the girl.