hostile act; act of hostility
A formal or legal term for an action that shows enmity or aggression, often used in military, political, or diplomatic contexts.
その国は敵対行為を停止するよう求められた。
That country was asked to cease hostile acts.
国連は敵対行為の即時停止を求める決議を採択した。
The UN adopted a resolution calling for an immediate cessation of hostilities.