Self-described democratic socialist Zohran Mamdani's unexpected upset in New York City's Democratic mayoral primary on Tuesday exhilarated progressive activists, who had banded together to prevent the more moderate former New York Governor Andrew Cuomo from triumphing.

Former New York Governor Andrew Cuomo on Tuesday conceded to state lawmaker Zohran Mamdani in the Democratic primary election for New York City mayor, setting up the 33-year-old democratic socialist Mamdani to win the party's nomination in the heavily Democratic city.

Zohran Mamdani, the leftwing Democrat feared by Wall Street, has declared victory in the party’s mayoral primary for New York City, sending shockwaves across US politics. The democratic socialist, who has called for higher taxes on the rich and assailed US support for Israel in Gaza,