Judges 20:22-26

But the people, the men of Israel, showed themselves courageous and lined up for battle again in the place where they had lined themselves up on the first day.

And the sons of Israel went up and wept before the Lord until evening, and inquired of the Lord, saying, “Shall we again advance for battle against the sons of my brother Benjamin?” And the Lord said, “Go up against him.”

So the sons of Israel came against the sons of Benjamin on the second day.

And Benjamin went out against them from Gibeah the second day and struck to the ground again eighteen thousand men of the sons of Israel; all of these drew the sword.

Then all the sons of Israel and all the people went up and came to Bethel, and they wept and remained there before the Lord, and fasted that day until evening. And they offered burnt offerings and peace offerings before the Lord.