Funny u/JumpCrisscross who was asking for sources has now deleted the post with the question.
> Since July last year, police have arrested at least 2,787 people across the UK for holding signs displaying statements such as “I oppose genocide, I support Palestine Action”, according to the civil liberties organisation Defend Our Juries.
https://www.theguardian.com/uk-news/2026/feb/16/arrested-ret...
> An 83-year-old was arrested alongside 64 other people at a pro-Palestine protest in Liverpool city centre.
https://www.bbc.co.uk/news/articles/c1wg4e1nlrjo
> "The law does not have an age limit", the head of the Metropolitan Police said after an 83-year-old retired priest was arrested for supporting a banned protest group.
https://www.bbc.co.uk/news/articles/c9vrjkev802o
And in the same above article there's an explanation about why this "violent terrorist group" has been banned:
> The move to ban the organisation was announced after two Voyager aircraft were sprayed with red paint at RAF Brize Norton in Oxfordshire on 20 June. It caused about £7m of damage, police said.
Their violence was against capital.