US President Donald Trump on Sunday slammed former ally Elon Musk's launching of a new political party as "ridiculous," deepening the Republican's feud with the man who was once his biggest backer. Trump also branded the SpaceX and Tesla tycoon a "TRAIN WRECK" who had gone "off the rails" after Musk said he wanted to challenge the current US political system.

The dispute between Republican President Donald Trump and his main campaign financier Elon Musk took another fractious turn on Saturday when the space and automotive billionaire announced the formation of a new political party,