Mr. Delgado, New York’s lieutenant governor, said he would take on Gov. Kathy Hochul in next year’s Democratic primary because her tenure had lacked “bold, decisive” leadership.

Lt. Gov. Antonio Delgado begins campaign against Gov. Kathy Hochul, promising progressive change for New York.

Polls suggest that most New Yorkers are unfamiliar with Delgado, but he has more than a year to make his case to voters.