A body has been recovered at Laytown beach in Co Meath after rescue services responded to reports of a swimmer in difficulty.
The emergency services were alerted at 6.15pm on Friday evening to a teenage boy in difficulty.
The Rescue 116 helicopter and Drogheda Coast Guard responded immediately to the incident.
A body was recovered from the water at approximately 9.40pm on Friday night by the coastguard and was taken to Navan Hospital where a postmortem will take place.
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In a separate incident, another teenager was airlifted to hospital with suspected multiple fractures and lacerations after falling 6m (20ft) on to rocks in Howth.
The teenager had to be winched by helicopter from the White Water Brook, a remote beach below cliffs on the eastern side of the Howth peninsula.
The RNLI lifeboat called out the Rescue 116 helicopter because of the swiftly rising tide.
Rescue 116 deployed its winchman, who assessed the teenager’s injuries, and co-ordinated with RNLI and Coast Guard crews to secure him in a rescue harness.
The helicopter then repositioned over the scene and winched the casualty and winchman to safety.

A teenager who went to help him made his way to the other end of the beach to be picked up. He was suffering from hypothermia. That boy was then transferred to the all-weather lifeboat and taken back to Howth Lifeboat Station, where he was transferred into the care of an ambulance crew.
Both teenagers were taken to Beaumont Hospital in Dublin.
In another, separate incident, the volunteer crew of the Howth RNLI rescued three children who had been cut off by the tide near Lion’s Head – a popular swimming spot on the south side of the Howth peninsula, close to the Bailey Lighthouse.
Helm of the inshore lifeboat, Killian O’Reilly, said it had been a “challenging afternoon”.
“The teamwork shown between the RNLI, Coast Guard units, and Rescue 116 was exceptional and ensured the best possible outcome in tough circumstances,” Mr O’Reilly said.
“During this spell of hot weather, we are urging everyone to be aware of the dangers and to know what to do should you find yourself in difficulty in the water.”