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

Police in London have detained more than 466 people who were protesting the United Kingdom’s decision to ban the Palestine Action Group, marking the “largest ever mass arrest” at a single protest in the British capital, according to campaigners.

British police arrested more than 200 people in central London on Saturday as supporters of the recently banned pro-Palestinian group Palestine Action deliberately violated the law to challenge the government's prohibition,