Suspect drones and 'reconnaissance' ships target North Sea energy infrastructure

There have been reports from industry associations and companies of nuisance things, unexplained drones, where we don’t know where they’ve come from, they’re flying around, causing disruption, and ships loitering....At the moment it’s concerns more about reconnaissance-shaping activities, ships that are – fairly clearly or otherwise – mapping out critical infrastructure, subsea infrastructure and may pose a risk."