Insurrection (6)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">insurrection</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for riot that I've seen before include "Civil disturbance" , "Rowdy behaviour" , "Violent disturbance by mob" , "Debauchery" , "Civil unrest" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">insurrection</span>' is the definition.<br/ ><span class="explanation-format__explanation">(mutiny is a kind of insurrection)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for mutiny that I've seen before include "Open rebellion by sailors or soldiers" , "Rebellion as on Bligh's Bounty" , "Military rebellion" , "Rebellion in the armed forces" , "Revolt against authority" .)