Nine leaders of Hong Kong's 2014 civil disobedience "Occupy Central" movement go on trial on Monday at a time when the Chinese-ruled financial hub's civil liberties are coming under increasing strain.
The nine leaders include law professor Benny Tai, 54, sociologist Chan Kin-man, 59, and Reverend Chu Yiu-ming, 74, who face three charges related to public nuisance, including conspiracy and incitement, during street protests which brought much of the former British colony's Central business district to a halt.
This case could be the most consequential against the pro-democracy movement, with repercussions for hundreds of other protesters who were arrested in 2014 and

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