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A Board of Elections error in the tabulation of the early results in New York City's ranked-choice Democratic mayoral primary has thrown the race into uncertainty, prompting officials to remove preliminary numbers from the elections website hours after posting them.
The board released a statement Tuesday evening saying that when it posted the initial results from the multiple rounds of ranked-choice voting earlier, it had included 135,000 test ballots that had not been cleared from the board's management system. This happened, the board explained, despite its "rigorous and mandatory pre-qualification testing" for every election.