A 14-year-old boy has been arrested over the alleged rape of a 15-year-old girl at a teenage disco.
Gardai were called to Tramco nightclub in Rathmines, south Dublin, at around 11pm last night when the girl claimed she had been seriously sexually assaulted.
It is alleged the attack happened in the men`s toilets.
The girl was taken to the sexual assault treatment unit at the Rotunda Hospital.
The boy was arrested at the scene and taken to Terenure Garda Station where he was held overnight.
He is being questioned under section four of the Criminal Justice Act and can be detained for up to 24 hours.
A garda spokesman said: "At this point in time gardai are not seeking anyone else in relation to this incident."
Forensic experts have carried out a technical examination of the scene.
Detectives said they will be taking statements from others who were on the premises at the time.
© Press Association