Judges 20:34 in the King James Version
And there came against Gibeah ten thousand chosen men out of all Israel, and the battle was sore: but they knew not that evil was near them.
Context
33 All the men of Israel rose up out of their place and set themselves in array at Baal Tamar. Then the ambushers of Israel broke out of their place, even out of Maareh Geba.
34 Ten thousand chosen men out of all Israel came over against Gibeah, and the battle was severe; but they didn’t know that disaster was close to them.
35 The LORD struck Benjamin before Israel; and the children of Israel destroyed of Benjamin that day twenty-five thousand one hundred men. All these drew the sword.