Chief Michael LiPetri has been promoted to interim chief of department — the NYPD’s highest uniformed post — following the retirement of John Chell, the Daily News has learned.

LiPetri’s appointment was disclosed Wednesday in an NYPD personnel order obtained by The News, and Police Commissioner Jessica Tisch confirmed it in a subsequent press release.

“As the interim Chief of Department, he will continue to lead the NYPD’s work to reduce crime and disorder and build public trust,” said Tisch.

Chell, who The News previously reported was seeking a disability pension for an ankle injury, had his final day Wednesday. He is expected to appear on conservative radio host Sid Rosenberg’s show on 770 WABC Thursday to discuss his retirement.

Sources confirmed Chell was approved Wedneday fo

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