One of Russia’s leading warships has been shadowed for weeks by a string of Royal Navy vessels amid growing tension between the UK and the Kremlin. For an entire month the frigate Admiral Grigorovich has been watched by patrol ships HMS Tyne, HMS Mersey and HMS Severn as it sailed off the UK coast. The tense operation lasted for the whole of April and took place west of the UK and in the North Sea including close to the Galloper wind farm, off the Suffolk coast. Sources have said it was one of