TOPSHOT - Some protesters confront Catalan 'Mossos D'Esquadra' regional police officers outside the regional parliament after a demonstration in Barcelona on October 1, 2018 to commemorate the first anniversary of a banned referendum on secession that was marred by police violence. - A year after a banned referendum on secession from Spain, tens of thousands of Catalan militants piled pressure on the region's separatist government today during an anniversary marked by road and railway line blockades. (Photo by Pau Barrena / AFP)