Such a threat and nobody here concerned?
Could Russia cut undersea communication cables?
The UK's top military officer has warned that Russia could strike a "catastrophic" blow to the economy by targeting communications and internet cables that run under the sea.
Air Chief Marshal Sir Stuart Peach, the chief of the defence staff, said the lines could potentially be cut or disrupted.
The suggestion raises several questions:
Is that something Russia's likely to do?
What would happen if they - or someone else - did such a thing?
Could Russia cut undersea communication cables? - BBC News