Emergency ___ (3)
'emergency' is the definition.
(a crisis is an emergency)
This is the entire clue.
(Other definitions for crisis that I've seen before include "Time of intense difficulty or danger" , "Calamity" , "Desperate situation" , "Emergency - decision time" , "Crucial and dangerous moment" .)
(Other definitions for kit that I've seen before include "Set of tools or clothes" , "Young beaver" , "Set of articles or tools" , "Young cat" , "Set of parts sold to be assembled" .)