Judges 20:25

the sons of Benjamin burst forth from the gates of Gibeah. And meeting them, they made such a frenzied slaughter against them that they struck down eighteen thousand men who drew the sword

Other versions

King James Version

And Benjamin went forth against them out of Gibeah the second day, and destroyed down to the ground of the children of Israel again eighteen thousand men; all these drew the sword.

English Standard Version

And Benjamin went against them out of Gibeah the second day, and destroyed 18,000 men of the people of Israel. All these were men who drew the sword.

New International Version

This time, when the Benjamites came out from Gibeah to oppose them, they cut down another eighteen thousand Israelites, all of them armed with swords.