CNN reporter: These scenes would have been unimaginable a short time ago

Hong Kong has entered its 16th consecutive weekend of anti-government protests, as police warned the level of violence is escalating potentially beyond control, and the force faced renewed allegations of brutality.

What began as a peaceful march in the city's suburban Tuen Mun district on Saturday turned in a violent standoff between a group of protesters and riot police.

CNN's Will Ripley reports from Hong Kong.

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