LONDON  A total of 532 protesters were arrested during Saturday's rally in London in support of the activist group Palestine Action, the police announced on Sunday. In a statement, the Metropolitan Police said that the overwhelming majority of arrests, 522, were for displaying a sign in support of a banned group, Palestine Action, violating Section 13 of the 2000 Terrorism Act. It noted that police officers arrested a further 10 people including six people for assaulting officers, one for