Blank pieces of paper have become a symbol of defiance for protesters in China, especially among students at universities. They are expressing their anger over the country’s Covid-19 restrictions.

The antecedents of white-paper protests stretch back at least as far as 1924, when a Krakow newspaper reportedly published a blank special supplement as a satirical rebuke to censors. In 1965, an ...

In China, that item is a humble piece of blank paper. As dusk fell on Shanghai on Sunday evening, some of those who gathered at a vigil to remember the victims of a fire that catalysed the ...