London cops arrest 355 people in pro-Palestine protests amid support for proscribed groupThe Metropolitan Police arrested protesters for offences including supporting the banned terror group Palestine Action. View Image 335 people have been arrested in London (Image: PA)At least 355 people have been arrested over pro-Palestine protests in London. ‌The Metropolitan Police arrested protesters for offences including supporting the banned terror group Palestine Action. ‌The arrests include six people who were detained for unfurling a banner backing the proscribed group on Westminster Bridge. The Metropolitan Police said: “As of 5.20pm, 355 people had been arrested for supporting a proscribed organisation.