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Open Image ModalAn anti-capitalist protester wearing a Guy Fawkes mask holds a placard as he stands alongside a burning police car during the 'Million Masks March', organised by the group Anonymous, in London on November 5, 2015. The protest was held on the night of Britain's Guy Fawkes Night, and many of the marchers wore the white masks of the man who plotted to blow up parliament in 1605, now associated with Anonymous. AFP PHOTO / JACK TAYLOR (Photo credit should read JACK TAYLOR/AFP/Getty Images) (credit:JACK TAYLOR via Getty Images)
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Open Image ModalA police car is attacked and set on fire near Scotland Yard - The annual Million Mask March bonfire night protest started in Trafalgar Square and headed to Westminster where it splintered. (credit:Rex)
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Open Image ModalA photographer lays on the floor, after being hit by an Aston Martin which was surrounded by protestors in Lower Grosvenor Place, near Victoria in London, during the Million Mask March bonfire night protest organised by activist group Anonymous. (credit:Yui Mok/PA Wire)
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Open Image ModalA man is detained by police on Regent Street in London during the Million Mask March bonfire night protest organised by activist group Anonymous. (credit:Dominic Lipinski/PA Wire)
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Open Image ModalA police car is attacked and set on fire near Scotland Yard - The annual Million Mask March bonfire night protest started in Trafalgar Square and headed to Westminster where it splintered. (credit:Rex)
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Open Image ModalAnti-capitalist protesters wearing Guy Fawkes masks clash with British police officers during the 'Million Masks March', organised by the group Anonymous, near the Houses of Parliament in London on November 5, 2015. The protest was held on the night of Britain's Guy Fawkes Night, and many of the marchers wore the white masks of the man who plotted to blow up parliament in 1605, now associated with Anonymous. AFP PHOTO / JACK TAYLOR (Photo credit should read JACK TAYLOR/AFP/Getty Images) (credit:JACK TAYLOR via Getty Images)
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Open Image ModalA police car is attacked and set on fire near Scotland Yard - The annual Million Mask March bonfire night protest started in Trafalgar Square and headed to Westminster where it splintered. (credit:Rex)
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Open Image ModalAn anti-capitalist protester wearing a Guy Fawkes mask holds placards as he stands alongside adamaged British police car during the 'Million Masks March', organised by the group Anonymous, in London on November 5, 2015. The protest was held on the night of Britain's Guy Fawkes Night, and many of the marchers wore the white masks of the man who plotted to blow up parliament in 1605, now associated with Anonymous. AFP PHOTO / JACK TAYLOR (Photo credit should read JACK TAYLOR/AFP/Getty Images) (credit:JACK TAYLOR via Getty Images)
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Open Image ModalAn anti-capitalist protesters wearing a Guy Fawkes mask carries a traffic cone during the 'Million Masks March' protest march, organised by the group Anonymous, as it passes Parliament Square in London on November 5, 2015. The protest was held on the night of Britain's Guy Fawkes Night, and many of the marchers wore the white masks of the man who plotted to blow up parliament in 1605, now associated with Anonymous. AFP PHOTO / JACK TAYLOR (Photo credit should read JACK TAYLOR/AFP/Getty Images) (credit:JACK TAYLOR via Getty Images)
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Open Image ModalAnti-capitalist protesters wearing Guy Fawkes masks hold placards at the start of the 'Million Masks March', organised by the group Anonymous, at Trafalgar Square in London on November 5, 2015. The protest was held on the night of Britain's Guy Fawkes Night, and many of the marchers wore the white masks of the man who plotted to blow up parliament in 1605, now associated with Anonymous. AFP PHOTO / JACK TAYLOR (Photo credit should read JACK TAYLOR/AFP/Getty Images) (credit:JACK TAYLOR via Getty Images)
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Open Image ModalAnti-capitalist protesters wearing Guy Fawkes masks clash with British police during the 'Million Masks March', organised by the group Anonymous, near the Houses of Parliament in central London on November 5, 2015. The protest was held on the night of Britain's Guy Fawkes Night, and many of the marchers wore the white masks of the man who plotted to blow up parliament in 1605, now associated with Anonymous. AFP PHOTO / JACK TAYLOR (Photo credit should read JACK TAYLOR/AFP/Getty Images) (credit:JACK TAYLOR via Getty Images)
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Open Image ModalLONDON, ENGLAND - NOVEMBER 05: Masked protesters walk towards Buckingham Palace during the Million Mask March on November 5, 2015 in London, England. The annual anti-establishment protest is organised by activist group Anonymous and is one of hundreds expected to take place in cities across the globe this evening. (Photo by Ben Pruchnie/Getty Images) (credit:Ben Pruchnie via Getty Images)
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Open Image ModalPolice officers look at a vandalised police car on Queen Anne's Gate in central London, during the Million Mask March bonfire night protest organised by activist group Anonymous. (credit:Yui Mok/PA Wire)
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Open Image ModalProtestors surround an Aston Martin in Lower Grosvenor Place, near Victoria in London, during the Million Mask March bonfire night protest organised by activist group Anonymous. (credit:Yui Mok/PA Wire)
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Open Image ModalPolice on horses outside Buckingham Palace in London, during the Million Mask March bonfire night protest organised by activist group Anonymous. (credit:Dominic Lipinski/PA Wire)
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Open Image ModalA photographer lays on the floor, after being hit by an Aston Martin which was surrounded by protestors in Lower Grosvenor Place, near Victoria in London, during the Million Mask March bonfire night protest organised by activist group Anonymous. (credit:Yui Mok/PA Wire)
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Open Image ModalA vandalised police car on Queen Anne's Gate in central London, during the Million Mask March bonfire night protest organised by activist group Anonymous. (credit:Ryan Hooper/PA Wire)
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Open Image ModalAn Aston Martin on Lower Grosvenor Place, near Victoria in London, during the Million Mask March bonfire night protest organised by activist group Anonymous. (credit:Yui Mok/PA Wire)
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Open Image ModalProtestors surround an Aston Martin on Lower Grosvenor Place, near Victoria in London, during the Million Mask March bonfire night protest organised by activist group Anonymous. (credit:Yui Mok/PA Wire)
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Open Image ModalA police car which was set on fire on Queen Anne's Gate in central London, during the Million Mask March bonfire night protest organised by activist group Anonymous. (credit:Ryan Hooper/PA Wire)
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Open Image ModalProtestors demonstrate in Trafalgar Square, London, during the Million Mask March bonfire night protest organised by activist group Anonymous. (credit:Yui Mok/PA Wire)
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Open Image ModalProtestors demonstrate near Parliament Square, London, during the Million Mask March bonfire night protest organised by activist group Anonymous. (credit:Dominic Lipinski/PA Wire)
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Open Image ModalProtestors demonstrate near the Houses of Parliament in London, during the Million Mask March bonfire night protest organised by activist group Anonymous. (credit:Dominic Lipinski/PA Wire)
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Open Image ModalA protester with a flare demonstrates near Parliament Square, London, during the Million Mask March bonfire night protest organised by activist group Anonymous. (credit:Yui Mok/PA Wire)
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Open Image ModalA large police presence outside Buckingham Palace during the Million Mask March bonfire night protest organised by activist group Anonymous. (credit:Yui Mok/PA Wire)
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Open Image ModalProtestors set off fireworks in Trafalgar Square, London, during the Million Mask March bonfire night protest organised by activist group Anonymous. (credit:Dominic Lipinski/PA Wire)
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Open Image ModalA masked protester wears a traffic cone on their head during the Million Mask March on November 5, 2015 in London, England. (credit:Ben Pruchnie via Getty Images)
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Open Image ModalMasked demonstrators holds a flare during the Million Mask protest march in London on Thursday Nov. 5, 2015. (credit:Tim Ireland/AP)
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Open Image ModalProtestors demonstrate in Parliament Square, London, during the Million Mask March bonfire night protest organised by activist group Anonymous. (credit:Yui Mok/PA Wire)
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Open Image ModalA masked protester stands in front of the National Portrait Gallery ahead of the Million Mask March in Trafalgar Square on November 5, 2015 in London, England. (credit:Ben Pruchnie via Getty Images)
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Open Image ModalA masked protester holds up a sign saying 'We Are Many' during the Million Mask March in Trafalgar Square on November 5, 2015 in London, England. (credit:Ben Pruchnie via Getty Images)
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Open Image ModalMasked protester blows smoke during the Million Mask March in Trafalgar Square on November 5, 2015 in London, England. (credit:Ben Pruchnie via Getty Images)
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Open Image ModalA masked protester looks at the camera during the Million Mask March in Trafalgar Square on November 5, 2015 in London, England. (credit:Ben Pruchnie via Getty Images)
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Open Image ModalAnti-capitalist protesters wearing Guy Fawkes masks hold placards as they gather at Trafalgar Square ahead of the 'Million Masks March', organised by the group Anonymous, in London on November 5, 2015. (credit:JACK TAYLOR via Getty Images)
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Open Image ModalMasked protesters turns to look at the camera during the Million Mask March in Trafalgar Square on November 5, 2015 in London, England. (credit:Ben Pruchnie via Getty Images)
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Open Image Modal A masked protester argues with police during the Million Mask March in Trafalgar Square on November 5, 2015 in London, England. (credit:Ben Pruchnie via Getty Images)
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Open Image ModalMasked protesters take a selfie in front of the Houses of Parliament during the Million Mask March in Trafalgar Square on November 5, 2015 in London, England. (credit:Ben Pruchnie via Getty Images)
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Open Image ModalMasked demonstrators gather in Trafalgar Square in central London during the Million Mask protest march on Thursday Nov. 5, 2015. (credit:ASSOCIATED PRESS)
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Open Image ModalMasked protesters are stopped by a police line during the Million Mask March in Trafalgar Square on November 5, 2015 in London, England. (credit:Ben Pruchnie via Getty Images)
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Open Image ModalMasked demonstrators gather near Trafalgar Square in central London during the Million Mask protest march on Thursday Nov. 5, 2015. (credit:ASSOCIATED PRESS)
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Open Image ModalPolice try and block masked demonstrators as they march in central London during the Million Mask protest march on Thursday Nov. 5, 2015. (credit:ASSOCIATED PRESS)
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Open Image ModalPolice try and block masked demonstrators as they march from Parliament Square in central London during the Million Mask protest march on Thursday Nov. 5, 2015. (credit:ASSOCIATED PRESS)
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Open Image ModalPolice try and block masked demonstrators as they march in central London during the Million Mask protest march on Thursday Nov. 5, 2015. (credit:ASSOCIATED PRESS)
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Open Image ModalPolice try and block masked demonstrators as they march in central London during the Million Mask protest march on Thursday Nov. 5, 2015. (credit:ASSOCIATED PRESS)
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Open Image ModalMounted police take to the streets to confront demonstrators marching in central London during the Million Mask protest march on Thursday Nov. 5, 2015. (credit:ASSOCIATED PRESS)
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Open Image ModalPolice try and block masked demonstrators as they march from Parliament Square in central London during the Million Mask protest march on Thursday Nov. 5, 2015. (credit:ASSOCIATED PRESS)
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Open Image ModalPolice try and block masked demonstrators as they march in central London during the Million Mask protest march on Thursday Nov. 5, 2015. (credit:ASSOCIATED PRESS)
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Open Image ModalPolice try and block masked demonstrators as they march in central London during the Million Mask protest march on Thursday Nov. 5, 2015. (credit:ASSOCIATED PRESS)
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Open Image ModalPolice try and block masked demonstrators as they march in central London during the Million Mask protest march on Thursday Nov. 5, 2015. (credit:ASSOCIATED PRESS)
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Open Image ModalA masked demonstrator reaches out to greet a police officer blocking his way during the Million Mask protest march in London on Thursday Nov. 5, 2015. (credit:ASSOCIATED PRESS)