Thousands of mostly black-clad activists set off on a protest march in Hong Kong's Mong Kok district on Saturday, as the Chinese-controlled city braced for another weekend of anti-government demonstrations.
Protests against a proposed bill allowing people to be extradited to stand trial in mainland China have escalated since June, growing increasingly violent, with police accused of excessive force and failing to protect protesters from suspected gang attacks.
Mong Kok, which includes gritty working class sections and is also a popular shopping destination, was the scene of some of the most violent clashes during pro-democracy protests in 2014.
Many of Saturday's demonstraters wore

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