Trump floated taking over the city under a Mamdani mayoralty, saying, “We have tremendous power at the White House to run places when we have to.”

Fresh off losing New York’s Democratic primary for mayor to Zohran Mamdani, former Gov. Andrew Cuomo on Monday ramped up his efforts to push the incumbent mayor, Eric Adams, out of the race.

Mr. Mamdani’s victory upended city politics and reverberated nationally. He relied on a memorable message, charisma and a strong ground game.