2 Chronicles 20:12, 23

O our God, will You not judge them? For we are powerless against this great multitude which is coming against us. We do not know what to do, but our eyes are on You.”

For the sons of Ammon and Moab [suspecting betrayal] rose up against the inhabitants of Mount Seir, completely destroying them; and when they had finished with the inhabitants of Seir, they helped to destroy one another.