Judges 20:26
“Then all the children of Israel, and all the people, went up, and came unto the house of God, and wept, and sat there before the Lord, and fasted that day until even, and offered burnt offerings and peace offerings before the Lord.”
And the children of Israel came near against the children of Benjamin the second day.
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.
Then all the children of Israel, and all the people, went up, and came unto the house of God, and wept, and sat there before the Lord, and fasted that day until even, and offered burnt offerings and peace offerings before the Lord.
And the children of Israel enquired of the Lord, (for the ark of the covenant of God was there in those days,
And Phinehas, the son of Eleazar, the son of Aaron, stood before it in those days,) saying, Shall I yet again go out to battle against the children of Benjamin my brother, or shall I cease? And the Lord said, Go up; for to morrow I will deliver them into thine hand.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Cross-References
“Therefore also now, saith the Lord, turn ye even to me with all your heart, and with fasting, and with weeping, and with mourning:”
“(And the children of Israel went up and wept before the Lord until even, and asked counsel of the Lord, saying, Shall I go up again to battle against the children of Benjamin my brother? And the Lord said, Go up against him.)”
“And if his oblation be a sacrifice of peace offering, if he offer it of the herd; whether it be a male or female, he shall offer it without blemish before the Lord.”
“Then all the children of Israel went out, and the congregation was gathered together as one man, from Dan even to Beer–sheba, with the land of Gilead, unto the Lord in Mizpeh.”
“And the children of Israel arose, and went up to the house of God, and asked counsel of God, and said, Which of us shall go up first to the battle against the children of Benjamin? And the Lord said, Judah shall go up first.”