A Royal Navy submarine was authorized to surface close to a Russian ship "strictly as a deterrent measure," British Defense Secretary John Healey said.

A former defence chief has accused the Government of “complete delusion” over the UK’s military capability and “complete vacillation” over funding of the armed forces.

A whale was detected approaching and then moving away from one of the country's major naval bases where nuclear submarines are stationed - though it was initially believed it was a Russian spy device

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.

Naval authorities were concerned that one of Russian President Vladimir Putin’s drone submarines had placed a listening device on the ocean floor between two Scottish islands, launching an inquiry

A Royal Navy submarine surfaced just yards from ... in remarks directed at Vladimir Putin, warned ‘we see you, we know what you are doing’. He told the House of Commons that the Yantar ...

The UK’s Royal Navy launched a frantic search for phantom Russians off the coast after picking up two mysterious sounds in the ocean — only to conclude that the noises came from a gassy whale, an official told The Sun.

Defence Secretary John Healey said Russia "remains the most pressing and immediate threat to Britain", and added that "any threat will be met with strength and resolve".

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’

Addressing the House of Commons, defence secretary said the spy ship is currently in the North Sea having passed through British waters

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’

Nato countries have stepped up patrols to protect critical underwater infrastructure in the Baltic Sea, which is bordered by eight countries, and other waters. A Royal Navy submarine was ordered to surface last November close to a suspected Russian spy ship which was loitering over undersea infrastructure in UK waters.