![Riot police line the road observing protests during may day protests in Brighton, Sussex, UK JPH0192 Stock Photo - Alamy Riot police line the road observing protests during may day protests in Brighton, Sussex, UK JPH0192 Stock Photo - Alamy](https://c8.alamy.com/comp/BARMDX/riot-police-line-the-road-observing-protests-during-may-day-protests-BARMDX.jpg)
Riot police line the road observing protests during may day protests in Brighton, Sussex, UK JPH0192 Stock Photo - Alamy
![Police line in full riot gear behind barriers protecting Houses of Parliament, Day X3 Student Demonstration, London, England Stock Photo - Alamy Police line in full riot gear behind barriers protecting Houses of Parliament, Day X3 Student Demonstration, London, England Stock Photo - Alamy](https://c8.alamy.com/comp/CB76FW/police-line-in-full-riot-gear-behind-barriers-protecting-houses-of-CB76FW.jpg)
Police line in full riot gear behind barriers protecting Houses of Parliament, Day X3 Student Demonstration, London, England Stock Photo - Alamy
![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
![Riot police challenge Venezuelan students in Caracas on November 21, 2018. (AP) - U.S. Embassy & Consulates in the United Kingdom Riot police challenge Venezuelan students in Caracas on November 21, 2018. (AP) - U.S. Embassy & Consulates in the United Kingdom](https://d2v9ipibika81v.cloudfront.net/uploads/sites/16/f3c778611e8e1031c30d9e987cbd3a45.jpg)
Riot police challenge Venezuelan students in Caracas on November 21, 2018. (AP) - U.S. Embassy & Consulates in the United Kingdom
![Police in riot gear form a line near the Centennial Olympic Park and CNN center where some conf … | Las Vegas Review-Journal Police in riot gear form a line near the Centennial Olympic Park and CNN center where some conf … | Las Vegas Review-Journal](https://www.reviewjournal.com/wp-content/uploads/2020/05/13804484_web1_AP20151142710713.jpg)
Police in riot gear form a line near the Centennial Olympic Park and CNN center where some conf … | Las Vegas Review-Journal
![Riot Police Line Marching and Forming Group in Large Numbers - HD 1080p Stock Video - Video of riot, riots: 44606889 Riot Police Line Marching and Forming Group in Large Numbers - HD 1080p Stock Video - Video of riot, riots: 44606889](https://thumbs.dreamstime.com/z/riot-police-line-marching-forming-group-large-numbers-hd-p-multiple-officers-march-straight-rows-preparation-44606889.jpg)
Riot Police Line Marching and Forming Group in Large Numbers - HD 1080p Stock Video - Video of riot, riots: 44606889
![Detachment of riot police with shields and clubs stand in line. silhouette vector illustration. | CanStock Detachment of riot police with shields and clubs stand in line. silhouette vector illustration. | CanStock](https://cdn.w600.comps.canstockphoto.com/detachment-of-riot-police-with-shields-clip-art-vector_csp84288068.jpg)