UK military chief warns of Russian threat to vital undersea cables

Adm Tony Radakin says any attempt by submarines at damage would be treated as act of war'

The head of the UK's armed forces has warned that Russian submarine activity is threatening underwater cables that are crucial to communication systems around the world.

Adm Tony Radakin said undersea cables that transmit internet data are the world's real information system", and added that any attempt to damage them could be considered an act of war".