New York primaries: three Mamdani allies clinch Democratic nominations and Kennedy heir loses to self-confessed ‘nerd’ – as it happened | US midterm elections 2026

Closing summary

It was a good night for New York’s democratic socialist mayor Zohran Mamdani – and a sign of his growing influence over the Democratic party – after three congressional candidates endorsed by him won closely watched primaries.

Here are the key moments of the night:

  • Micah Lasher has won the Democratic primary for the US House seat in New York’s 12th congressional district, which is being vacated by veteran congressman Jerry Nadler. A self-described “nerd”, Lasher defeated Kennedy grandson Jack Schlossberg and state representative Alex Bores for the coveted nomination.

  • Brad Lander, a progressive ally of New York mayor Zohran Mamdani, easily won the Democratic primary in New York’s 10th congressional district, defeating the more moderate incumbent Democrat, Dan Goldman.

  • Mamdani was at Lander’s victory party in Brooklyn, taking to the stage to celebrate his ally’s primary win. Mamdani and Lander – who “cross-endorsed” each other in the city’s mayoral race in an effort to use the city’s ranked-choice voting system to ensure a progressive victory – embraced on stage before Lander went on to thank the New York City mayor.

  • Another Mamdani-backed candidate, Claire Valdez, defeated another progressive, the Brooklyn borough president Antonio Reynoso, and is now likely to win the general election in New York district 7 to replace the retiring incumbent, Nydia Velázquez.

  • Darializa Chevalier – a third Mamdani-backed candidate – has won the Democratic nomination for New York’s 13th congressional district.

  • US army veteran Cait Conley has won the Democratic primary in New York’s 17th congressional district in the lower Hudson Valley. She will face the vulnerable incumbent Republican congressman Mike Lawler in a district narrowly won by Kamala Harris in 2024.

  • Nancy Lacore, a three-star navy rear-admiral fired by Pete Hegseth last year in the defense secretary’s purge of senior US military officials, has won the Democratic nomination in a runoff for a closely watched congressional race in South Carolina.

  • South Carolina’s attorney general, Alan Wilson, is projected to have won the Republican nomination for governor, defeating Trump-backed lieutenant governor Pamela Evette.

We’re now ending our live coverage of the primaries tonight. You can read our full report here:

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Key events

Alex Bores congratulated Micah Lasher after his win in the Democratic primary to replace Jerry Nadler.

State representative Bores, who worked in tech before his pivot to politics, had found himself at the unlikely center of a proxy battle for the AI industry’s tussle for regulatory influence – with millions of dollars spent against him during the campaign.

In a statement after the race was called for Lasher, Bores said:

double quotation markI didn’t get into this race to make a singular point about AI. I decided to run to bring to Washington the same effectiveness and the same commitment to delivering for people – and to standing up for them against powerful interests – that I’ve been proud to bring to Albany.

But some of the richest people on the planet – a handful of oligarchs determined to prevent any check on their power, the very people funding Donald Trump – decided to make an example out of this race. They spent over $10m to do it.

This was an unprecedented fight, and one we did not back down from. Though we’ve come up short tonight, the example set here was not the one the AI oligarchs intended. They set out to make people afraid to stand up to them. Instead, they learned just how ready people are to push back.

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