> The Metropolitan Police said six people had been arrested on Thursday evening at the Westminster Meeting House on suspicion of conspiracy to cause a public nuisance.
> The force said the arrests had come amid concerns about plans to "shut down" London next month using tactics such as road blocks.
I would imagine your example of "anti-hunting activists" would likely also be people planning to do something to break the law - not purely for online comments.
Arrests made _at a Quaker meeting house_, not _of Quakers_ (or at least not for _being_ Quakers).
https://www.bbc.co.uk/news/articles/cj3x5j6g30ro
> The Metropolitan Police said six people had been arrested on Thursday evening at the Westminster Meeting House on suspicion of conspiracy to cause a public nuisance.
> The force said the arrests had come amid concerns about plans to "shut down" London next month using tactics such as road blocks.
I would imagine your example of "anti-hunting activists" would likely also be people planning to do something to break the law - not purely for online comments.