Zohran Mamdani, a 33-year-old democratic socialist, has defeated former governor Andrew Cuomo in the New York City Democratic mayoral primary, marking a historic political upset. Mamdani, who could become NYC's first Muslim and Indian American mayor, ran on a progressive platform with backing from figures like Alexandria Ocasio-Cortez and Bernie Sanders. Cuomo, seen as the moderate favorite, conceded but may still run as an independent.