Donald Trump has said Prince Harry will be "on his own" if he is re-elected as President, following what he believes to be "unforgivable disloyalty" by the Duke towards the Royal Family, in particular Queen Elizabeth II.
This comes as Prince Harry is facing more controversy over his immigration records to the US, and whether the details of them should be kept private.
The Heritage Foundation, a conservative think tank, argues that he cannot legally have entered the US because he admitted to taking illegal drugs in his best-selling memoir, Spare.
In a recent interview with Good Morning America, Prince Harry was questioned on whether he would become a US citizen, after moving to California with his wife Meghan Markle in 2020.
Meghan Markle is 'not an admirer of Trump' claims Michael Cole
Reuters / Reuters
The Duke told ABC: "American citizenship is a thought that has crossed my mind, but certainly not something that's a high priority for me right now.
"Everything inside the house and everything outside the house is keeping me busy."
Discussing the comments made by the former US President, former royal correspondent Michael Cole said Trump was always a "great admirer" of the late Queen Elizabeth II, and feels the Duke and Duchess of Sussex's actions towards the Royal Family have been "disrespectful".
He added that Meghan Markle has made "no secret" that she does not support Trump, and claimed the Duchess would have "voted for Biden" in the 2020 presidential election.
Michael Cole says Donald Trump was a 'great admirer' of Queen Elizabeth II
GB News
Cole told GB News: "He feels that by his [Harry's] actions, his books, his television programmes, he has been disrespectful to the Royal Family and the Queen in particular. But there is a political element of this, because Meghan Markle actually voted in the American presidential election of 2020.
"And you can bet your life she didn't vote for Donald J Trump, but rather for his opponent, President Biden."
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Cole revealed to host Martin Daubney: "It got through to President Trump that when he was making official visits to the UK, she was saying she was unwilling to meet him.
"And I think it's a fairly good bet that she may have political ambitions of her own, either on a state basis in California or maybe even nationally. That is yet to come."
Cole added that the tensions between the couple and Trump are a "quite serious matter", given the pressure from The Heritage Foundation to make his visa application public knowledge.
He explained: "In those forms there is a loaded question which has to be ticked yes or no, which says 'have you used drugs or illegal drugs', or 'have you ever used illegal drugs or are you a drug addict'?
"Now if he has ticked that to say no, there is contradictory evidence, circumstantial evidence, strong evidence in his book Spare in which is littered with references to him smoking weed, cannabis, taking a cocaine which he said he didn't like, and ingesting a magic mushrooms."
The Duke and Duchess of Sussex have been in Canada to promote the winter Invictus Games
Reuters
Cole continued: "So of course an admission in a book isn't sworn evidence, it's not testimony. But it is fairly strong circumstantial evidence that he took drugs.
"And if it is revealed that he did not tell the truth in his visa form, the Americans vigilate their immigration very seriously, unlike this country, and he could be kicked out of the country, his visa could be annulled and he could be asked to leave America promptly."
When asked where the Sussexes may go if they are removed from America, the former Royal Correspondent suggested they may "go back to Canada", but their authorities "won't be happy to pick up the bill for security".
He said: "With Donald Trump, you're either in or out, you're either friend or foe. If he regards you as a foe, he will do his best to act against you, there's no doubt about it. It's as clear as night from day. It's very serious matter."