Donald Trump says if he becomes US President he may not have a good relationship with UK Prime Minister David Cameron.
It follows Mr Cameron calling Mr Trump 'stupid, divisive and wrong' for suggesting Muslims be barred from the US.
Donald Trump has also told UK media that comments by new Mayor of London Sadiq Khan that the presumptive Republican nominee is 'ignorant', were 'very nasty statements'.
If Donald Trump does become US President, it therefore raises the prospect of him being at odds with two of Britain's most senior politicians.
He's been speaking with the UK's Good Morning Britain programme about London's first Muslim Mayor.
N: "When he…
OUT: …nasty statements."
DUR: 20 seconds
ALT:
He's been speaking with the UK's Good Morning Britain programme about his row with David Cameron.
N: "Honestly…
OUT: …the opposite."
DUR: 26 seconds