Judges 20:37-39

Darby Translation

³⁷ And the ambush hasted, and fell upon Gibeah; and the ambush drew along, and smote the whole city with the edge of the sword.

³⁸ Now there was an appointed sign between the men of Israel and the ambush, that they should make a thick column of smoke rise up out of the city.

³⁹ And when the men of Israel turned back in the battle, Benjamin began to smite, slaying of the men of Israel about thirty men; for they said, Surely they are quite routed before us as in the first battle.