Mr. Cuomo, the former governor of New York, has vowed to run a more energetic campaign than he did in the mayoral primary, and aimed to demonstrate that on Tuesday.

The shocking vote of confidence came despite Mayor Eric Adams, who has repeatedly cozied up to Trump, also vying for re-election on an independent line in the general race. Adams has attacked Cuomo for staying in the race, claiming that he alone should be the one to take on Mamdani in November.

During a new interview, former New York governor Andrew Cuomo declared that Democratic New York City mayoral candidate Zohran Mamdani's policies would cause the "death" of the city.