Severe food shortage (6)
I believe the answer is:
famine
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">severe food shortage</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 famine that I've seen before include "Severe food scarcity" , "Extreme scarcity of food" , "Widespread scarcity of food" , "Hunger" , "A great shortage as of food" .)