Some voters issued with two sets of voting papers in the Denby byelection tried to vote twice, it has been revealed.
Up to 500 voters were posted duplicate packs with 25 of them trying to vote twice. The majority tried to vote for the same candidate twice, while two people tried to vote for two different candidates.
In the case of replicated votes, only one vote was counted, and in the other two cases neither vote was counted.
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The Denby byelection was held on December 7 after Jayne Golightly resigned in September after learning she was not a New Zealand citizen.