Crisis (9)
I believe the answer is:
emergency
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">crisis</span>' is the definition.<br/ ><span class="explanation-format__explanation">(emergency is a kind of crisis)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for emergency that I've seen before include "Serious situation needing prompt action" , "Crisis requiring immediate action" , "Urgent need" , "Sudden occurrence necessitating urgent action" , "A sudden unforeseen crisis" .)