British and French nuclear submarines which collided deep under the Atlantic could have sunk or released deadly radioactivity, it emerged on Sunday.
The Royal Navy’s HMS Vanguard and the French Navy’s Le Triomphant are both nuclear powered and were carrying nuke missiles.
Between them they had around 250 sailors on board.
A senior Navy source said: “The potential consequences are unthinkable. It’s very unlikely there would have been a nuclear explosion.
As inquiries began, naval sources said it was a millions-to-one unlucky chance both subs were in the same patch of sea. Warships have sonar gear which locates submarines by sound waves.
But modern anti-sonar technology is so good it is possible neither boat “saw” the other.
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