Zohran Mamdani has won New York City’s Democratic mayoral primary. A new vote count Tuesday under the city’s ranked choice voting system confirmed the progressive legislator’s stunning upset of former Gov.

Mr. Mamdani roundly defeated Andrew M. Cuomo in the Democratic contest, widening his primary-night lead by a significant margin once ranked-choice tabulations were run.

NY state Assemblyman Zohran Mamdani has officially won the Democratic mayoral primary for New York City, in a stunning victory by the 33-year-old socialist over former-NY Gov. Andrew Cuomo. Mamdani wa