Joshua 8:21-22

When Joshua and all his men saw that the army had taken control of the city and saw the smoke rising from it, they stopped running and turned to fight the men of Ai. The men who were in ambush also came out of the city to help with the fight. So the men of Ai were caught between the armies of Israel. None of the enemy escaped. The Israelites fought until not one of the men of Ai was left alive, except