Gardaí say a teenage boy has died in an incident at Powerscourt Waterfall in Co Wicklow this afternoon.
Emergency services attended the scene at around 2.30pm.
He was pronounced dead at the scene. His body has been taken to St Columcille's Hospital in Loughlinstown.
The Dublin Coastguard said they were called by the fire service to assist at 2.40pm.
It said Rescue 116 airlifted a second person from the scene to hospital.
Gardaí said they are treating the death as a "tragic accident".
Powerscourt Estate has expressed condolences to the family of the teenage boy. A spokesperson says that the estate is liaising and cooperating with gardaí and all authorities in their investigation into the incident.