2 Chronicles 20:3-5

3And Jehoshaphat feared, and set himself to seek Jehovah, and proclaimed a fast throughout Judah.

4And Judah gathered themselves together to ask [help] of Jehovah: even out of all the cities of Judah they came to seek Jehovah.

5And Jehoshaphat stood in the congregation of Judah and Jerusalem, in the house of Jehovah, before the new court;