NEW YORK — In a stunning upset, Darializa Avila Chevalier, backed by the Democratic Socialists of America (DSA), has defeated five-term incumbent Rep. Adriano Espaillat, chair of the Congressional Hispanic Caucus, marking a significant political shift in New York's 13th district.

Her victory follows the election of DSA's Zohran Mamdani as mayor last year, further solidifying the DSA's influence in New York City politics. Avila Chevalier's campaign, which criticized Espaillat for his ties to corporate interests and the American Israel Public Affairs Committee, resonated with voters seeking change from establishment politics.

"I really feel that this is a fight to make sure that we are representing working-class New Yorkers who have been left behind by a politics that only serves the interests of corporations, of corporate landlords, of special interest groups that are making life in New York deeply unaffordable for so many," Avila Chevalier stated during a campaign appearance.

Despite endorsements from prominent figures like House Minority Leader Hakeem Jeffries and Governor Kathy Hochul, Espaillat was unable to secure a sixth term. His defeat signals a broader desire among voters for new leadership and progressive policies.

Avila Chevalier, a 32-year-old sociology Ph.D. student and former public defender investigator, has been an active voice in social justice movements, including a pro-Palestinian encampment at Columbia University.

The race tightened significantly following Mamdani's endorsement of Avila Chevalier in late May, with a poll from her campaign earlier showing her trailing by 14 points. Her eventual victory underscores a shifting political landscape, where long-standing incumbents are increasingly vulnerable to challenges from the left.

Espaillat's tenure had been marked by his leadership in diverse communities of Upper Manhattan and parts of the Bronx. However, his campaign's attempts to frame the contest as a battle against gentrification did not prevent Avila Chevalier's progressive message from gaining traction among voters.

"The story of his political ascendance and reign in Upper Manhattan has also been characterized by an intense rivalry with Manhattan Democratic Party Chair Keith Wright," noted political analysts. This year, however, saw a temporary alliance as Espaillat endorsed Wright’s son, Jordan Wright, against another DSA challenger.

Mamdani's support for Avila Chevalier played a crucial role in her campaign. "We have come a long way from where we used to be as a party," Mamdani remarked. "It's time we have a new generation that not only takes us back to that ambition, but takes us forward to the tomorrow that so many New Yorkers are waiting for."

Avila Chevalier's victory is not just a win for her; it's a clear message from voters eager for a new direction in their representation, marking yet another milestone for the growing influence of the Democratic Socialists of America in New York's political landscape.