Suddenly broke out (7)
I believe the answer is:
erupted
(Other definitions for erupted that I've seen before include "Broke out suddenly" , "Blew up or out as volcano may" , "Blew up like volcano" , "Broke out (like Etna)" .)
I believe the answer is:
erupted
(Other definitions for erupted that I've seen before include "Broke out suddenly" , "Blew up or out as volcano may" , "Blew up like volcano" , "Broke out (like Etna)" .)