Royal Navy warship shadows Putin submarine in the Channel as four Russian vessels enter UK waters and RAF jets intercept bomber amid increasing tensions over Ukraine and threat to 'sink' Britain

The Royal Navy and RAF followed multiple Russian ships and submarines through the English Channel the week at a time of heightened tension.

HMS Iron Duke and HMS Tyne have tracked four Russian vessels through UK waters in recent days as RAF jets intercepted a Russian strategic bomber on Wednesday.

The Navy’s warships have shadowed the Russian advances to ‘protect national security’ as four vessels sailed through the Channel and the North Sea.

Two RAF Typhoons were also scrambled from RAF…