contagious fire

US uncountable

(US) The situation where one police officer firing a weapon induces others to fire as well.

Japanese Meaning

警官が一人で発砲すると、その行動が連鎖的に他の警官の発砲を誘発する現象

During the chaotic confrontation, contagious fire erupted when one officer's shots prompted others to open fire.

混乱した対立の最中、一人の警官の発砲が他の警官にも発砲を促し、連鎖的な銃撃が発生した。

Sense（1）

(US) The situation where one police officer firing a weapon induces others to fire as well.