Oligarch spy yachts feared to have helped scout undersea cables as part of Russian plot to black out Britain: Putin 'had billionaire cronies send vessels fitted with mini-submarines to carry out reconnaissance'
The Ministry of Defence and Royal Navy found that Russian reconnaissance devices and sensors had been placed close to vital undersea cables off Britain's coastline
The Ministry of Defence and Royal Navy found that Russian reconnaissance devices and sensors had been placed close to vital undersea cables off Britain's coastline
