3 Alarmed, Jehoshaphat resolved to inquire of the Lord, and he proclaimed a fast for all Judah. 4 The people of Judah came together to seek help from the Lord; indeed, they came from every town in Judah to seek him.
15 He said: "Listen, King Jehoshaphat and all who live in Judah and Jerusalem! This is what the Lord says to you: ‘Do not be afraid or discouraged because of this vast army. For the battle is not yours, but God’s. 17 You will not have to fight this battle. Take up your positions; stand firm and see the deliverance the Lord will give you, Judah and Jerusalem. Do not be afraid; do not be discouraged. Go out to face them tomorrow, and the Lord will be with you.’ "
22 As they began to sing and praise, the Lord set ambushes against the men of Ammon and Moab and Mount Seir who were invading Judah, and they were defeated.