Hillary ClintonHillary Diane Rodham ClintonFive takeaways from Trump's 2020 kickoff rally Five takeaways from Trump's 2020 kickoff rally Trump jokes he'd get 'electric chair' if he deleted even one 'love note' email to Melania MORE said Tuesday that white nationalists around the world have adopted President TrumpDonald John TrumpGOP senator introduces bill to hold online platforms liable for political bias Rubio responds to journalist who called it 'strange' to see him at Trump rally Rubio responds to journalist who called it 'strange' to see him at Trump rally MORE's "Make America Great Again" slogan.

In a tweet, the former secretary of State wrote that racists have taken up the president's campaign slogan as their rallying cry, adapting it to right-wing causes around the world.

"The white nationalists certainly believe 'MAGA' is a white nationalist slogan," she wrote, linking to an article in HuffPost that described how the man sentenced in the 2017 Quebec City mosque attack searched for pro-Trump content on social media.

"'Make America Great Again' has become more than a U.S. political slogan. For [Alexandre] Bissonette and other white nationalist, radical right and anti-immigrant extremists all over the world, it’s a symbol; a kind of political messaging that transcends the specifics of country and language," wrote HuffPost senior reporter Nick Robins-Early in the article.

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Clinton's comments echo those of other left-leaning figures who have accused the president of stoking white nationalism with his rhetoric on immigration and other issues, including activist and actress Alyssa Milano, who has called the red "Make America Great Again" hats popularized by Trump during the 2016 presidential race the 2019 equivalent of a klansman's hood.

The suspect charged with carrying out last month's attack on two mosques in Christchurch, New Zealand that killed 50 people also wrote about his lukewarm support for the president in a more than 70-page manifesto that also expressed white supremacist sentiments and anger at Muslim immigration in the country.

“As a symbol of renewed white identity and common purpose? Sure. As a policy maker and leader? Dear god no," the suspect reportedly wrote of the president.

Trump, meanwhile, condemned the New Zealand attack last month in his own social media posting.

"My warmest sympathy and best wishes goes out to the people of New Zealand after the horrible massacre in the Mosques," he wrote. "49 innocent people have so senselessly died, with so many more seriously injured. The U.S. stands by New Zealand for anything we can do. God bless all!"

Clinton lost to Trump in the 2016 presidential election.

– Updated: 7:27 p.m.

CORRECTION: A previous version of this story incorrectly listed the name of the New Zealand attack suspect