Zohran Mamdani heads into the final day of voting in the New York City mayoral primary as the lead challenger to former Gov. Andrew Cuomo. Here's who is and what he campaigned on.

Sen. Bernie Sanders is endorsing Assemblyman Zohran Mamdani in the New York City mayoral primary election . Sanders made the announcement Tuesday morning, saying in a statement, "We need a new politics and new leadership which is prepared to stand up to powerful corporate interests and fight for the working class."

New Yorkers are voting in the city's mayoral primary on Tuesday. Here's where the polls stand in the final stretch of the campaign.