Urban disturbances (5)
I believe the answer is:
riots
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">urban disturbances</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for riots that I've seen before include "Protests" , "Acts of violence by unruly mobs" , "Wild disturbances by crowds" , "Public disturbances" , "Violent disturbances" .)