The country's largest health care union, 1199SEIU United Healthcare Workers East, has endorsed Democratic mayoral hopeful ...

SEIU President Yvonne Armstrong cited Mamdani’s push for affordability in the city as a major reason for their support.

Mamdani struggled against Andrew Cuomo to win the "Black vote" — but his lackluster performance may not tell the whole story.

Jeffries gave no signal that he’s ready to endorse Mamdani in the general election. The pair are planning a future meeting ...