Former Chancellor Kwasi Kwarteng has branded Lord Peter Mandelson's recent praise of Donald Trump as "embarrassing" and "toe-curling", suggesting the UK's likely new US Ambassador will struggle to build a relationship with the 47th President.

Peter Mandelson has just rowed back on his past criticisms of Donald Trump as he prepares to become Britain’s new ambassador to America. The Labour peer and former cabinet minister previously said Trump was “a danger to the world” and a “little short of a white nationalist and racist”.

The newly-appointed UK ambassador to the US – who previously called Trump a 'little short of a white nationalist and racist' – walked back his criticisms, saying he won his 'fresh respect'