A Republican businesswoman and Jamaican immigrant is the latest candidate to announce a bid to unseat freshman Democrat Alexandria Ocasio-Cortez in the 2020 elections.

Scherie Murray, a 38-year-old New Yorker, launched her primary campaign in Queens on Wednesday, becoming the third Republican challenger vying for a shot at competing against the liberal congresswoman in the upcoming general elections.

Ms Murray, a supporter of Donald Trump, told Fox News in a phone interview on Wednesday: “There is a crisis in Queens, and it’s called AOC.”

“Instead of focusing on us, she’s focusing on being famous,” she continued. “Mainly rolling back progress and authoring the job-killing Green New Deal and killing the Amazon New York deal.”

Mr Murray also sharpened her attacks against the 29-year-old congresswoman in a campaign video posted to YouTube, in which Ms Ocasio-Cortez is seen making late-night TV appearances and speaking with media outlets near the US-Mexico border.

Alexandria Ocasio-Cortez - the Democratic congresswoman in pictures Show all 15 1 /15 Alexandria Ocasio-Cortez - the Democratic congresswoman in pictures Alexandria Ocasio-Cortez - the Democratic congresswoman in pictures Alexandria Ocasio-Cortez greets fellow lawmakers ahead of the State of the Union address Getty Alexandria Ocasio-Cortez - the Democratic congresswoman in pictures Alexandria Ocasio-Cortez participates in an event with Democratic members of Congress EPA Alexandria Ocasio-Cortez - the Democratic congresswoman in pictures The Democrat senator speaks during a news conference at the U.S. Capitol January 30, 2019 Getty Alexandria Ocasio-Cortez - the Democratic congresswoman in pictures Alexandria Ocasio-Cortez and fellow Democrat Rashida Tlaib AP Alexandria Ocasio-Cortez - the Democratic congresswoman in pictures Alexandria Ocasio-Cortez at the Senate chamber to watch two votes on January 24, 2019 Getty Alexandria Ocasio-Cortez - the Democratic congresswoman in pictures Alexandria Ocasio-Cortez arrives with Chellie Pingree at a House Democratic Caucus meeting Getty Alexandria Ocasio-Cortez - the Democratic congresswoman in pictures Ocasio-Cortez during Donald Trump's State of the Union address Reuters Alexandria Ocasio-Cortez - the Democratic congresswoman in pictures New York State Assembly member Catalina Cruz with Ocasio-Cortez AFP/Getty Alexandria Ocasio-Cortez - the Democratic congresswoman in pictures Nydia Velazquez talks with Alexandria Ocasio-Cortez Reuters Alexandria Ocasio-Cortez - the Democratic congresswoman in pictures Ocasio-Cortez casts her vote for Nancy Pelosi as Speaker of the House EPA Alexandria Ocasio-Cortez - the Democratic congresswoman in pictures Alexandria Ocasio-Cortez poses with a campaign worker during a whistle stop in the Queens borough of New York Reuters Alexandria Ocasio-Cortez - the Democratic congresswoman in pictures Ocasio-Cortez outside the US Capitol AFP/Getty Alexandria Ocasio-Cortez - the Democratic congresswoman in pictures Ocasio-Cortez after casting her ballot in the 2018 midterm general election at a polling site in New York EPA Alexandria Ocasio-Cortez - the Democratic congresswoman in pictures Alexandria Ocasio-Cortez looks on during a march organised by the Women's March Alliance in Manhattan Reuters Alexandria Ocasio-Cortez - the Democratic congresswoman in pictures Ocasio Cortez looks on at the Capitol in Washington, DC, on January 16, 2019 AFP/Getty

The Republican challenger also hits Ms Ocasio-Cortez frequently over her opposition to Amazon’s previous plans to build a second headquarters located in New York.

However, Ms Murray and the rest of the Republicans vying for the GOP nomination in Queens will face a nearly-impossible challenge of unseating the popular newcomer in a heavily blue district.

She has already begun walking the fine line of rejecting the president’s controversial tweets while continuing to express support for Mr Trump.

During her Fox News interview on Wednesday, Ms Murray was asked about the president’s recent racist Twitter attacks against Ms Ocasio-Cortez and other liberal Democratic congresswomen who he told to “go back” to their countries. All but one of the congresswomen were born in the US, and all of them are American citizens.

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“Is that how I would have worded it? No. Do I think the president is a racist? No," she said. "But I want to get back to the core of why we’re even talking about this – there is a crisis at our border."