Hong Kong security law: should other countries intervene?

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There are clashes as lawmakers prepare to debate the controversial national security bill which critics say will cede too much power to Beijing. Also outrage in the United States as a video emerges of the heavy handed arrest of a black man in Minnesota - leading to his death. The four police officers involved have been sacked. And a BBC investigation finds evidence that fake news during the Covid pandemic has led to assaults, arsons and deaths.