The winning candidates—Zohran Mamdani in New York, Abigail Spanberger in Virginia, and Mikie Sherrill in New Jersey—are seen as potential energizers for a Democratic base eager for fresh leadership.

Zohran Mamdani, New York City's mayor-elect, had majority support from voters under the age of 45, while over half of voters 65 and older supported Andrew Cuomo, according to ABC News exit polls.

Trump’s worst nightmare’ Zohran Mamdani celebrates historic election victory - ‘So Donald Trump, since I know you're watching ...

Mamdani, who will be New York City’s first Muslim mayor, defeated former governor Andrew Cuomo and Republican Curtis Sliwa.