Restaurants across Beijing will temporarily ban dining-in and residents will need negative Covid tests to visit public spaces, officials said on Saturday, in a major ramping up of virus controls at the start of the Labour Day holiday. The five-day break is typically one of China’s busiest travel periods, but the country’s worst Covid resurgence since early in the pandemic is expected to keep people at home. Faced with the highly transmissible Omicron variant, Chinese officials have doubled down on their zero-Covid policy, quashing virus clusters through mass testing and lockdowns.