President Donald Trump on Sunday called Elon Musk's plans to form a new political party "ridiculous," launching new barbs at the tech billionaire and saying the Musk ally he once named to lead NASA would have presented a conflict of interest given Musk's business interests in space.

"He even wants to start a Third Political Party, despite the fact that they have never succeeded in the United States - The System seems not designed for them. "The one thing Third Parties are good for is the creation of Complete and Total DISRUPTION & CHAOS,