<p>Police officers dressed in riot gear are said to have used pepper spray to arrest dozens of protesters in St. Louis, Missouri, on September 17.</p><p>A group of officers can be seen kettling protesters on the ground as others spray a substance identified by eyewitnesses as pepper spray. The protesters were cornered at the intersection of Washington Avenue and North Tucker Boulevard, which can be seen in this video.</p><p>The uploader can be heard coughing before getting sprayed with the substance and getting arrested himself.</p><p>St Louis police arrested more than 80 protesters on Sunday, September 17</a>, during the third night of demonstrations following the acquittal of a former police officer in the shooting death of a suspected drug dealer.</p><p>Former Officer Jason Stockley, who is white, had been charged with murder in the death of Anthony Lamar Smith, who was black. A judge had ruled him not guilty on Friday</a>, prompting protests that lasted through the weekend. Credit: Rebelutionary_Z via Storyful</p><br />