2 Chronicles 13:12-14

12Now behold, God Himself is with us as our head, and His priests with their trumpets sound the battle call against you. O children of Israel, do not fight against the LORD, the God of your fathers, for you will not succeed.”

13Now Jeroboam had sent troops around to ambush from the rear, so that while he was in front of Judah, the ambush was behind them. 14When Judah turned and discovered that the battle was both before and behind them, they cried out to the LORD. Then the priests blew the trumpets,