King James Version
But the soldiers of the army which Amaziah sent back, that they should not go with him to battle, fell upon the cities of Judah, from Samaria even unto Bethhoron, and smote three thousand of them, and took much spoil.English Standard Version
But the men of the army whom Amaziah sent back, not letting them go with him to battle, raided the cities of Judah, from Samaria to Beth-horon, and struck down 3,000 people in them and took much spoil.New International Version
Meanwhile the troops that Amaziah had sent back and had not allowed to take part in the war raided Judean towns from Samaria to Beth Horon. They killed three thousand people and carried off great quantities of plunder.