Royal Navy has been monitoring Russian warship off UK coast for an entire month

The Admiral Grigorovich has been off the UK coast for a month (Picture: PA)

A Russian warship has been continuously monitored in UK waters for an entire month by the Royal Navy.

The frigate Admiral Grigorovich has been watched by patrol ships HMS Tyne, HMS Mersey and HMS Severn as it sailed for the whole of April to the west of the UK and in the North Sea.

The Russian ship also sailed close to the Galloper wind farm off the Suffolk coast.

Patrol ships, tankers and Wildcat helicopters from the R...