The king of Israel and Jehoshaphat king of Judah, clothed in their robes, sat each on his throne; and they sat at a threshing floor at the entrance of the gate of Samaria; and all the prophets prophesied before them.
2 Chronicles 18:9
Surrounding context
18:8 Then the king of Israel called one of his officers and said, "Bring Micaiah the son of Imla quickly!"
18:9 The king of Israel and Jehoshaphat king of Judah, clothed in their robes, sat each on his throne; and they sat at a threshing floor at the entrance of the gate of Samaria; and all the prophets prophesied before them.
18:10 Now Zedekiah the son of Chenaanah had made horns of iron for himself; and he said, "Thus says the LORD: "With these you shall gore the Syrians until they are destroyed."'