For it was of the Lord to harden their hearts, that they should come against Israel in battle, that He might utterly destroy them, and that they might receive no mercy, but that He might destroy them, as the Lord had commanded Moses.
“But Sihon king of Heshbon would not let us pass through, for the Lord your God hardened his spirit and made his heart obstinate, that He might deliver him into your hand, as it is this day.
Then the Lord said to Joshua, “Stretch out the spear that is in your hand toward Ai, for I will give it into your hand.” And Joshua stretched out the spear that was in his hand toward the city.
So the children of Benjamin went out against the people, and were drawn away from the city. They began to strike down and kill some of the people, as at the other times, in the highways (one of which goes up to Bethel and the other to Gibeah) and in the field, about thirty men of Israel.