Former Mayor Bill de Blasio butted into Michael Blake’s bid for Congress — causing “drama” within the campaign and leading to his ex flame to call it quits, The Post has learned.

Nomiki Konst left Blake’s campaign on Thursday following a series of “strategic” disagreements between the progressive political operative and Blake, with de Blasio’s endorsement spiraling into a top issue.

“The endorsement caused drama,” a source said.

Bill de Blasio has been shacking up with the mayor of South Tuscon after being dumped by Konst. KONTROLAB/LightRocket via Getty Images

The ex-mayor backed Blake in mid-November — just days after news broke that Konst kicked Blaz to the curb when she found out he was making a different type of endorsement with the mayor of South Tucson, Roxanna Valenzuela

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