Isaiah 37:8-9

So the Rabshakeh returned and found the king of Assyria fighting against Libnah [a fortified city of Judah], for he had heard that the king had left Lachish. And Sennacherib king of Assyria, heard them say concerning Tirhakah king of Cush (Ethiopia), “He has come out to fight against you.” And when he heard it, he sent messengers to Hezekiah, saying