HONG KONG -- Hong Kong must do more to guard against "unimaginable threats," the city's chief executive John Lee told legislators on Thursday, echoing Chinese President Xi Jinping's emphasis on security in his recent address to the Chinese Communist Party's national congress.
Hong Kong security law
Hong Kong chief warns of 'unimaginable threats' to city's security
John Lee points to spies and 'color revolutions' as he echoes President Xi
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