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

London police said Sunday that 532 people were arrested the previous day when supporters of a pro-Palestinian group recently outlawed as a terrorist organization intentionally broke the law to test the government’s ability to enforce the ban.

Palestine Action was proscribed a terror group after activists damaged two RAF jets in protest against the war in Gaza.