break out(to begin suddenly; to emerge in a certain condition) verb [UK: breɪk ˈaʊt] [US: ˈbreɪk ˈaʊt]
erupt [erupted, erupting, erupts](to spontaneously release pressure or tension) verb [UK: ɪ.ˈrʌpt] [US: ɪ.ˈrʌpt]Violence erupted all over the city because of the food shortages. = La violencia estalló por toda la ciudad a causa de la escasez de comida.