Judges 20:37-39

Young's Literal Translation

³⁷ and the ambush have hasted, and push against Gibeah, and the ambush draweth itself out, and smiteth the whole of the city by the mouth of the sword.

³⁸ And there was the appointed sign to the men of Israel with the ambush -- their causing to go up a great volume of smoke from the city.

³⁹ And the men of Israel turn in battle, and Benjamin hath begun to smite the wounded among the men of Israel, about thirty men, for they said, `Surely they are utterly smitten before us, as [at] the first battle;