Trump and Burnham, 56, held a “very good conversation” about the “outstanding relationship” between the two countries, the president wrote on Truth Social.

Andy Burnham was Manchester's mayor two months ago. Now he's Britain's prime minister, facing President Trump's scorn and an old territorial fight.

The new Labour premier's chat with the US President was among his first tasks after entering Downing Steet on Monday.

Donald Trump previously described the new prime minister as ‘the mayor of a town’

While not always complimentary, Andy Burnham has been careful to describe Donald Trump as part of a bigger ecosystem.