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

British police said they arrested 365 people in central London as supporters of a recently banned pro-Palestinian group flouted the law as part of an effort to force the government to reconsider the ban.

Police have arrested 466 people in central London on Saturday for protesting the British government’s decision to ban the pro-Palestinian activist group Palestine Action under anti-terrorism laws.