The shape of the mayor’s race in November and the future of Andrew M. Cuomo are now in flux after Zohran Mamdani’s performance on Tuesday.

A new poll shows the New York City mayor’s race tightening in its final days. Former Gov. Andrew M. Cuomo and Assemblyman Zohran Mamdani are scrambling for every last vote.

With temperatures expected to reach 100 degrees, candidates are traveling across New York City and making last-ditch efforts to turn out voters. Polls suggest a tight contest…