Zionists began to believe racism existed within the administration, which remained inadequately policed. Trained bands policed the north, and a navy guarded the shores from Viking raids. Survivors live in heavily policed quarantine zones, independent settlements, and nomadic groups. Other districts were policed by rural police or gendarmerie units. Sealed off with barricades, the areas were openly policed by the IRA. Photographs in this area are prohibited and this restriction is strictly policed. When gender borders are crossed in adolescence, the children are policed by themselves. Around 7000 people took part in the march, which was heavily policed. Camden is policed by the Metropolitan Police Service. The affair is heavily policed and covered. Portugal is ranked the fourth most heavily policed country in the world. Swansea is policed by the South Wales Police. Warwickshire is policed by the Warwickshire Police. The ban on trade was not policed and circumnavigated by multinational corporations. The river is policed by five police forces.