When asked about Mr Burnham, who is the clear favourite to succeed Keir Starmer as the Labour premier, Mr Trump said: 'I don't know, I think I see that he was, I guess, the mayor of a town.'

How Andy Burnham could try to win over the volatile US President

Sir Keir Starmer took a deferential approach to dealing with Donald Trump, but political editor David Maddox explains why Andy Burnham might not follow suit

The US president further dismissed Mr Burnham, describing him as ‘the mayor of a town’