Botswana’s main opposition leader says October’s national election, which the ruling party won by an unexpectedly large margin, was rigged, and that he intends challenging it in court to head off potential public protests.

Duma Boko, leader of the Umbrella for Democratic Change opposition alliance, questioned the integrity of the voters’ roll. He said many of his group’s supporters, including his own wife, were turned away at the ballot box due to errors made by the Independent Electoral Commission (IEC). The number of voters was also inflated, he said.

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