2 Chronicles 20:3-5

3Alarmed, Jehoshaphat resolved to inquire of the LORD, and he proclaimed a fast for all Judah.

4The people of Judah came together to seek help from the LORD ; indeed, they came from every town in Judah to seek him. 5Then Jehoshaphat stood up in the assembly of Judah and Jerusalem at the temple of the LORD in the front of the new courtyard