2 Kings 3:21-25

21All the people in Moab had heard that the kings had come to attack them. So the leaders of Moab brought together every man who was old enough to fight. They put these men on Moab's border.

22When the Moabites woke up early the next morning, the sun was shining on the water. When they looked at the water from where they were, it looked like blood!

23They said to each other, ‘That is blood! The armies of those kings have fought against each other. Now they are all dead! We must go and take all their valuable things!’

24So the Moabites arrived at the camp of the Israelite army. Then Israel's soldiers attacked the Moabites. The Moabites ran away back to their own land. The Israelites chased them and they completely destroyed them.

25They destroyed the Moabites' towns. Each Israelite soldier threw a stone onto all the good fields, until they covered them with stones. They filled the springs so that they gave no water. They cut down all the good trees. Only the city of Kir-Hareseth was still there with its stone walls. But the Israelite soldiers stood all around the city. They attacked it with stones from their slings.