Chinese woman says she is detained in secret location after Beijing protest

Video purportedly shows 26-year-old editor, who accuses police of forcing her and friends to sign blank arrest warrants

A Chinese woman has accused police of forcing her and friends to sign blank arrest warrants and detaining them in secret locations over their attendance at a protest vigil in Beijing last year.

A video, purported to be of Cao Zhixin, a 26-year-old editor at Peking University Press, began spreading online on Monday. In it, Cao said she and five friends attended a riverside vigil in Beijing on 27 November, to mourn the victims of a building fire in Urumqi. The fire had been linked to the enforcement of China's strict zero-Covid policy and became a catalyst for vigils and protests.