Fire-raising crime (5)
I believe the answer is:
arson
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">fire-raising crime</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for arson that I've seen before include "Act of a pyromaniac" , "Criminal pyromania" , "Fire-lighting crime" , "matchplay, say?" , "major crime" .)