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.

British Defence Secretary, John Healey has warned Russia President Vladimir Putin after the Royal Navy tracked a ‘Russian spy ship’ that passed through UK waters earlier this week. Healey issued the warning while speaking to the parliament on Wednesday.