PITTSBURGH (KDKA) — Austin Davis resigned as vice chairman of the Allegheny County Democratic Committee on Monday.

According to the Pittsburgh Post-Gazette, Davis did so, citing his disapproval of where the party is heading under chairwoman Eileen Kelly’s leadership.

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In his resignation letter sent Monday, Mr. Davis, a state representative in McKeesport, said he’s “committed to the values of the Democratic Party,” but can’t remain on the committee under the current leadership.

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Mr. Davis said last week that Ms. Kelly “doesn’t share our values and should not be leading our party.”

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Critics have been calling for Kelly to step down, stating that the party has been divided under her leadership.