British Defence Secretary John Healey told parliament Wednesday the Royal Navy tracked a "Russian spy ship" that passed through UK waters, warning Russia's President Vladimir Putin: "We know what you'

The nuclear-powered hunter-killer submarine surfaced close to the Yantar to let the Russian ship know it was being watched.

John Healey warned Vladimir Putin ‘we see you, we know what you are doing and we will not shy away from robust action’.

A Russian spy ship has been monitored by the Royal Navy after it entered UK waters earlier this week, the defence secretary has said - as he issued a warning to President Vladimir Putin.

In a message to Vladimir Putin, Defence Secretary John Healey said ‘we see you, we know what you are doing and we will not shy away from robust action to protect this country’

A Russian "spy ship" was tracked by the Royal Navy as it entered British waters, UK Defence Secretary John Healey told parliament Wednesday amid heightened concerns over the security of underwater infrastructure.

The Royal Navy has been monitoring a Russian spy ship after it was spotted around UK waters earlier this week, the defence secretary has told MPs. John Healey said the vessel, Yantar, was used for gathering intelligence and mapping the UK's critical underwater infrastructure.

Russian ships which damage British underwater cables face being raided and seized by Royal Marine Commandos, Defence Secretary John Healey has signalled. He stressed that the UK was willing to take “the strongest possible response” as part of its “homeland” security operations.