וַיָּ֙שָׁב֙ רַב־שָׁקֵ֔ה וַיִּמְצָא֙ אֶת־מֶ֣לֶךְ אַשּׁ֔וּר נִלְחָ֖ם עַל־לִבְנָ֑ה כִּ֣י שָׁמַ֔ע כִּ֥י נָסַ֖ע מִלָּכִֽישׁ׃
So Rab-shakeh returned, and found the king of Assyria warring against Libnah; for he had heard that he was departed from Lachish.
Read midrashic interpretation of II Kings 19:8: and classical rabbinic exegesis.