But Mr. Trump’s warnings to his former ally are backed by several ways the White House could punish the world’s richest man.

If they don’t broker a peace deal, their squabble could get messier and more expensive for both of them

Editorial: The row between the US president and his billionaire ex-buddy may seem entertaining, but wealth and power are still dangerously merged

President Trump is locked in a showdown with the world’s richest man, who is far from a typical opponent.

The last 24 hours should be a lesson to all the other billionaires who lined up with the new administration.

Experts say his tech empire needs more of Musk's attention - but also the continued custom of the government.

As the ‘first buddy’ turns first enemy, Chris Blackhurst looks at the feud between the president and tech billionaire and how much it could cost them in real terms

A billionaire’s vendetta has threatened to cut off the US from the ISS and complicate national defense

But Mr. Trump’s warnings to his former ally are backed by several ways the White House could punish the world’s richest man.