Prince Harry told Americans to “reject hate speech” during a television broadcast alongside Meghan Markle. But President Trump’s former campaign advisor Corey Lewandowski said he hoped the couple will leave the US.
He told the Daily Mail: “They made Britain great again by leaving, I hope they do the same for us.”
During the broadcast, Prince Harry said: “As we approach this November, it’s vital that we reject hate speech, misinformation and online negativity.”
The Duchess of Sussex added: “We’re six weeks out from the election, and today is Voter Registration Day.
“Every four years, we’re told the same thing, ‘This is the most important election of our lifetime.’ But this one is.
“When we vote, our values are put into action, and our voices are heard.”
When Mr Lewandowski was asked to comment on the Sussexes’ actions, he took the opportunity to blast Mr Trump’s opponent Joe Biden.
He said: “I’m assuming you’re asking me because of Joe Biden’s record of hateful and divisive language, particularly toward the African American community?”
The Duchess of Sussex previously insisted that she is voting in November’s election.
Speaking to Marie Claire in August, she said: “I know what it’s like to have a voice, and also what it’s like to feel voiceless.
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Piers Morgan said: “Prince Harry poking his woke nose into the US election and effectively telling Americans to vote against President Trump is completely unacceptable behaviour for a member of the Royal Family.”
Royal biographer Robert Jobson told the MailOnline that it “may be easier” if the Sussexes give up their royal titles due to the “business and political agenda they appear to want to pursue”.
He said the couple are now “completely detached” from the Royal Family.
The Duke and Duchess of Sussex have been living in the US since March with their baby son Archie.
Mr Jobson added: “Meghan, after all, holds American citizenship and has always voted. The business about royals not getting involved in politics is less clear when it comes to Meghan or what the protocol should be in this case.
“But as she is now back living in her country I am sure many would think it wrong that she is not allowed to exercise her democratic right to vote.”
However, Mr Jobson highlighted how it would make sense for Prince Harry and his son to detach themselves from the line of succession.
He said: ‘Frankly, I think it would be better for Harry to withdraw, along with his son, from the line of succession to avoid further confusion.”