The wreck of Cunard liner RMS Lusitania lies some 18km off the Old Head of Kinsale. File photograph: PA Wire

A diver has been airlifted to University Hospital Galway after getting into difficulty while diving with a group on the wreck of the Lusitania off the(...)

The scene of the search last year for missing the Coast Guard helicopter crew at Blacksod, Co. Mayo. Photograph: Dara Mac Dónaill

The Dublin-based Irish Coast Guard crew of Capt Dara Fitzpatrick, Capt Mark Duffy and winch crew Paul Ormsby and Ciarán Smith was tasked to provide “t(...)

Europe is grappling with its biggest migration challenge since World War II, with the main surge coming from civil war-torn Syria. Photograph: Aris Messinis/AFP/Getty Images

The Naval Service patrol ship LÉ Samuel Beckett has rescued 242 people off the Libyan coast on its first humanitarian tasking in the Mediterranean. Th(...)

The crew of the LÉ Eithne rescuing endangered migrants in the Mediterranean. Photograph: Irish Defence Forces

Irish vessel LÉ Eithne has carried out its second rescue of hundreds of migrants in less than 24 hours. The Naval Service flagship rescued 300 migran(...)