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Hundreds of thousands of people are marching in Hong Kong against a law critics fear could let China target political opponents in the territory.
The controversial extradition bill would allow suspected criminals to be sent to mainland China for trial.
The protests are thought to be the biggest since the 2014 Umbrella Movement, which saw hundreds of thousands take to the streets.
The government says the bill has built-in protections and will plug loopholes. Read more