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

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.

Defence Secretary John Healey has issued a stark warning to Vladimir Putin after a Russian spy ship was detected operating near UK waters. "We see you, we know what you are doing and we will not shy away from robust action to protect this country,

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 Russian spy ship entered British waters twice in recent weeks, prompting the UK to deploy Royal Navy ships, Royal Air Force planes and a submarine, Defence Secretary John Healey said.