Shanghai celebrates COVID achievement, Beijing on brink

– Shanghai reports no COVID cases outside quarantine areas – Beijing is on high alert, preparing for more restrictions – The breakthrough would be a victory for Xi in a crucial year – Infection declines as China begins Labor Day holiday SHANGHAI/BEIJING (Reuters) - Shanghai said on Saturday it had found no new COVID-19 cases daily outside of quarantine areas, marking a milestone in its battle to contain the virus that has paralyzed the city and paralyzed 25 million people. In the capital, Beijing, on the edge of the abyss. Beijing's streets were eerily quiet at the start of the…