Undersea cables

New Royal Navy ship to protect 'critical' undersea cables

Defence Secretary Ben Wallace warned "the lights could go out" if national infrastructure was lost, and the cables were "incredibly important".

He also told the BBC's Andrew Marr that Russia had "taken a deep interest" in the cables and the UK would be "deeply exposed" without further measures.

It comes ahead of Monday's publication of the defence command paper.

The document will give more detail for the armed forces on the conclusions of the integrated review of the UK's foreign and defence policies.