State Assembly Speaker Carl Heastie — one of New York’s most powerful Democrats — is expected to back socialist Zohran Mamdani’s mayoral bid after Gov. Kathy Hochul’s shock endorsement , The Post has learned.

The influential Bronx Dem’s endorsement is “imminent,” a source close to his and Mamdani’s camps said Tuesday.

The Democratic establishment, including Carl Heastie, is circling around Zohran Mamdani. Hans Pennink

New York City mayoral candidate Zohran Mamdani is still facing challenges from Eric Adams, Andrew Cuomo, and Curtis Sliwa. REUTERS

Heastie is one of the last remaining Democratic establishment holdouts who has yet to back Mamdani.

His endorsement would follow Hochul’s announcement Sunday evening that she was backing the lefty Democratic nominee.

Another member also

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