Mamdani's odds of winning the upcoming New York mayoral election increased by 10 percentage points from 72 percent in July to 82 percent on Thursday, according to Covers.com. Over the same period, the odds of Cuomo remained flat at 9 percent while incumbent Mayor Eric Adams saw his odds tumble from 21 percent to 6 percent.

Mamdani was joined by union workers who said they were the targets of the Trump administration.