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Police line in full riot gear behind barriers protecting Houses of Parliament, Day X3 Student Demonstration, London, England Stock Photo - Alamy
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Police in riot gear form a line near the Centennial Olympic Park and CNN center where some conf … | Las Vegas Review-Journal
![File:A line of riot police officers under thr heavy snow fall in Kiev, as the city prepares for the predictably violent attack from the police. December 9, 2013.jpg - Wikimedia Commons File:A line of riot police officers under thr heavy snow fall in Kiev, as the city prepares for the predictably violent attack from the police. December 9, 2013.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/6/60/A_line_of_riot_police_officers_under_thr_heavy_snow_fall_in_Kiev%2C_as_the_city_prepares_for_the_predictably_violent_attack_from_the_police._December_9%2C_2013.jpg)
File:A line of riot police officers under thr heavy snow fall in Kiev, as the city prepares for the predictably violent attack from the police. December 9, 2013.jpg - Wikimedia Commons
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