Just five weeks after being elected to a historic third term, President Xi Jinping suddenly faces cracks in the facade of unchallenged authority that he so successfully presented to the world at the 20th national congress of the Chinese Communist party.
For groups of protesters, apparently without central coordination, to take to the streets across China and to social media, and for some then explicitly to call for Xi and the Communist party to stand aside, is a seismic shock.
