An image from witness video footage shows demonstrators shouting slogans as police hold their positions in Shanghai on November 27th, 2022. Photograph: AFPTV/AFP via Getty Images Protests against China’s heavy Covid-19 curbs spread to more cities, including in the financial hub Shanghai early on Sunday, nearly three years into the pandemic, with a fresh wave of anger sparked by a deadly fire in the country’s far west. The fire on Thursday that killed 10 people in a high-rise building in Urumqi, capital of the Xinjiang region, has sparked widespread public anger as many internet users surmised that residents could not…