Melat Kiros has become the 28th candidate endorsed by a far-left group to win a Democratic primary election this cycle, according to a Fox News review.

The 29-year-old Democratic socialist is now in the same company as Graham Platner, the scandal-plagued Democratic Senate nominee in Maine, as well as the trio of Zohran Mamdani-backed House nominees — Brad Lander, Claire Valdez, and Darializa Avila Chevalier.

Kiros ran for Colorado’s 1st congressional district and was supported by the Democratic Socialists of America (DSA), the Working Families Party (WFP) and the Justice Democrats.

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Although not all 25 far-left House candidates who won Democratic primaries this year are guaranteed to win their general election bids in November, many of them, including Kiros, are in solidly blue districts where Republican challengers have little chance of being successful.

If all the far-left House candidates tracked by Fox News were to win, they’d join another 18 like-minded colleagues, including Rep. Pramila Jayapal, D-Wash., Rep. Ilhan Omar, D-Minn., and Rep. Rashida Tlaib, D-Mich.

In the best case scenario for the far left, they’d have a 43-member bloc in the House of Representatives come January 2027.

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Seeing as there are just 10 Blue Dog Democrats, a left-wing sweep would substantially tip the balance of power in the Democratic Party, which is favored to retake the House majority next year.

Darializa Avila Chevalier, a Democratic House candidate for New York, center, speaks during a rally with Columbia Postdoctoral Workers at Columbia University Medical Center in New York City on June 30, 2026. (Bloomberg)

The Blue Dog Caucus is a coalition of House Democrats who describe themselves as fiscally responsible and focused on bipartisan dealmaking. They also support a strong national defense.

With her victory on Tuesday, Kiros also became the sixth insurgent candidate this year to oust an incumbent.

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Kiros defeated Rep. Diana DeGette, who served 15 terms in Congress, by a nearly 10-point margin, according to The Associated Press. DeGette was sworn into the House in January 1997, four months before Kiros was born.

DeGette supported abolishing Immigration and Customs Enforcement (ICE) and implementing Medicare-for-All, two key priorities of her opponent and leftists at large.

Rep. Diana DeGette, D-Colo., speaks during the 2024 Government Day Reception hosted by Breakthrough T1D at the Kennedy Caucus Room in the Russell Senate Office Building on June 4, 2024 in Washington, DC. (Jemal Countess)

Largely aligned on domestic policy priorities, Kiros and DeGette diverged on the issue of Israel.

DeGette is a strong supporter of the Jewish nation and has also advocated for a two-state solution. Kiros took a harsher stance, accusing Israel of committing a genocide against Palestinians in Gaza.

Kiros, who supports a full U.S. arms embargo on Israel, criticized DeGette for backing continued U.S. military aid to the country, including funding for defensive systems like the Iron Dome.

Kiros’s other foreign policy ideas have drawn significant criticism, including her view that the U.S. shares culpability in the horrific 9/11 terror attacks.

Melat Kiros participated in a League of Women Voters Congressional District 1 candidate forum at Montview Presbyterian Church in Denver, Colo., on May 28, 2026. (RJ Sangosti/MediaNews Group/The Denver Post)

9News journalist Kyle Clark asked Kiros in a June 22 interview whether she believed 9/11 was an “inevitable consequence” of American intervention.

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“Inevitable in the sense that we destabilized a lot of the Middle East, which led people to believe that another act of violence was the only response. And again, just like I said before, our responsibility is to get rid of those conditions that lead to violence in the first place,” Kiros said.

Before her campaign, Kiros was fired from her position at the Sidley Austin law firm in 2023 after publishing an open letter criticizing law firms, including her own, that called for action against antisemitism on college campuses.

The Associated Press contributed to this report.