Artificial Intelligence (AI) is "one of the existential risks" facing humanity, says Elon Musk, the billionaire CEO of Space X, Tesla and X (formerly Twitter).
"It's not clear to me we can actually control such a thing" he adds, speaking on the sidelines of a global AI safety summit hosted at the UK's Bletchley Park, where British codebreakers cracked Nazi Germany's "Enigma Code".