The decision by Ms. Ramos, a state senator from Queens, is at odds with her frequent criticism of Andrew M. Cuomo, including comments questioning his “mental acuity.”

Andrew Cuomo faced a two-hour pile-on Wednesday as eight other Democrats vying for the party’s nomination for New York City mayor spent their first debate attempting to knock the former governor off his perch.

State Sen. Jessica Ramos is cross-endorsing former Gov. Andrew Cuomo in the race for mayor of New York City, News 4 has learned. Ramos, herself a Democratic candidate in the race, was expected to make the announcement alongside Cuomo on Friday morning.