HONG KONG—Chinese officials cancelled hundreds of flights in and out of Beijing, restricted movement and renewed closures of businesses and schools as they battled to contain a fresh wave of new coronavirus cases in the nation’s capital.

Health officials on Wednesday reported 31 new confirmed cases in Beijing for Tuesday, bringing the city’s six-day total to 137 since the most recent cluster of infections first emerged on June 11—most of which are tied to Xinfadi, a sprawling meat and vegetable wholesale market in Beijing’s…

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