Beijing’s national security arm in Hong Kong has pledged to adopt a “zero tolerance” approach in safeguarding next month’s Legislative Council election, as the city’s anti-corruption agency charged three people for allegedly inciting others to boycott the poll. The Independent Commission Against Corruption (ICAC) charged three individuals for allegedly reposting online messages that urged others not to vote and, on Thursday, issued arrest warrants for two men suspected of making such posts. The...