The British military made the discovery after a number of them washed ashore and were located by the Royal Navy. They are being seen as a potential threat to national security.
The situation has not previously been made public but it has been reported in The Sunday Times that Moscow was looking to try and collect intelligence on the UK’s four Vanguard submarines, which carry nuclear missiles.
Somewhere in the North Sea: “Kapitan-Leytenant, we have discovered a new experimental craft called HMS ShitBird, appears to have undetectable propulsion systems and carries a significant biological payload”
Somewhere in Thames Water HQ: “yeah mate we fixed the blockage, we just managed to dislodge Barry from Kettering’s massive jobby and let it out into the sea”