Police say the majority of arrests were for displaying placards in support of the banned group.

The number of people arrested for supporting banned group Palestine Action at a protest in central London has risen to more than 520. Only 18 of those people remained in custody on Sunday afternoon but were expected to be released on bail “in the coming hours”, the Metropolitan Police said.

London’s counter-terrorism police have shut down an online briefing organized by supporters of the banned group Palestin