Dong Yuyu, a commentator and editor, was taken away by police while meeting a Japanese diplomat at a restaurant in February 2022.

A Hampshire Constabulary spokesman said that about 200 people were at the protest, where a minority of those involved became aggressive.

A senior MP has said she is “worried that vulnerable people will get swept up in the assisted dying route”, after plans received their first approval from MPs. A historic Commons vote on Friday means ...