Mamdani rocketed to victory Tuesday night, coming from relative obscurity as an assemblyman to being elected the city's 111th mayor, where he will be entrusted with what many consider the second toug...

Results are still coming in as votes are counted in New York City, New Jersey and Virginia, where Democratic candidates swept to victory in closely watched races.

Millions of voters are casting ballots Tuesday in U.S. state and local elections.

"My friends, we have toppled a political dynasty," he told the crowd during a victory speech, touting voters' "mandate for change" and "mandate for a city we can afford".