Chinese state media is giving extensive coverage to violent protests roiling cities across the United States, while the unrest has also featured widely in Chinese social media.
Hong Kong told the United States to keep out of the debate over national security legislation being imposed by China, and warned that withdrawal of the financial hub's special status under US law could backfire on the US economy.
China's parliament approved a decision on Thursday to go forward with national security legislation for Hong Kong that democracy activists in the city and Western countries fear could erode its freedoms and jeopardize its role as a global financial hub.
Police in Hong Kong fired pepper pellets and made 300 arrests as thousands of people took to the streets on Wednesday to voice anger over national security legislation proposed by China, that has raised international alarm over freedoms in the city.
Hong Kong police issued a warning late on Tuesday that they would not tolerate disruptions to public order, after activists circulated calls online for fresh demonstrations on Wednesday.
The United States announced its intention on Thursday to withdraw from the 35-nation Open Skies treaty allowing unarmed surveillance flights over member countries, the Trump administration's latest move to pull the US from a major global treaty.
The head of the World Health Organization said on Monday an independent evaluation of the global coronavirus response would be launched as soon as possible, and China backed such a review.
The European Union pushed on Wednesday for a gradual reopening of borders within the bloc shut by the coronavirus, saying it was not too late to salvage some of the summer tourist season while keeping people safe.
Top US health authorities are testifying to a Senate committee looking into plans for reopening the nation's businesses, schools and other sectors of the economy closed because of the novel coronavirus pandemic.
British Prime Minister Boris Johnson will on Monday give additional details of how to get the economy back to work, after his attempt to plot a nuanced exit from the coronavirus lockdown prompted confusion, opposition and even satire across the United Kingdom.