The incident happened off Wexford's Hook Head this evening.
The father of four in his forties was taking part in an underwater search for a fisherman who went missing from a trawler off the Saltee Islands yesterday morning.
The alert was raised shortly after noon today as he returned to the surface after a dive.
He was treated by colleagues at the scene and airlifted to University Hospital Waterford where he has since been pronounced dead.
Significant Rail Disruption For Wicklow Passengers This Weekend
Bray and Greystones are among eight DART stations that’ll be closed for works.
Simon Harris Commits to Four Years of Income Tax Relief
Tánaiste announces plan to raise higher tax threshold annually ahead of Fine Gael think-in
Education Minister Hails Coláiste Bhríde as 'True Community Hub' for South Wicklow
Minister Hildegarde Naughton visits Carnew school to celebrate its central role serving 15 feeder schools across the region
Bray Dip for Jigsaw Returns This Weekend
Funds raised support Jigsaw’s free services for young people in Co. Wicklow.
Criminal Legal Aid Certificates Tumble In Bray Following Introduction Of Legal Aid Scheme
Minister's scheme blamed for dramatic drop leaving defendants without representation
6:00am - 8:00am
The Wicklow Way with Nikki Hayes
Sunny intervals
High: 19°C | Low: 16°C
Sunny intervals
High: 18°C | Low: 15°C
Sunny intervals
High: 20°C | Low: 15°C
Sunny intervals
High: 20°C | Low: 15°C
Sunny intervals
High: 21°C | Low: 15°C
