Ryanair CEO Michael O'Leary has hit out at Elon Musk as the billionaires' feud rumbles on. Michael O’Leary, CEO of Irish budget airline Ryanair sauid today, January 21, that he would welcome an investment from Musk as an esculation of his spat with Musk.

Mr O'Leary said his falling out with the billionaire had helped boost his airline's bookings by 2-3%. Slamming the world's richest man the budget airline owner said: "I suspect he's a bigger idiot than me."

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