The 33-year-old democratic socialist won New York City's Democratic primary in a stunning upset of former governor Andrew Cuomo.

Former New York Gov. Andrew Cuomo called state Assemblyman Zohran Mamdani to congratulate him Tuesday night, saying he won the New York City Democratic mayoral primary election.

What to Know Zohran Mamdani declared victory in New York City’s Democratic mayoral primary Tuesday night after Andrew Cuomo conceded the race in a stunning upset. Mamdani is a progressive upstart who was virtually unknown when the contest began built a substantial lead over the more experienced but scandal-scarred former governor.