Top navy officer flags need to protect sub-sea cables

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Ireland needs to develop the ability to monitor threats to sub-sea cables passing through Irish-controlled waters given the “tremendous” impact of any interference with them, a top Irish naval officer has said.

Captain Brian Fitzgerald, who retires at the end of March as second in command of the Irish Naval Service, warned that if sub-sea cables are cut, business and the internet will not grind to a halt but “snap to a halt”.