Whedon's Commentary on the Bible - 2 Kings 19:8
SENNACHERIB’S SECOND MESSAGE TO HEZEKIAH, 2 Kings 19:8-13. Click image for full-size version 8. Returned From Jerusalem to the king, who was now at Libnah, but he probably left “the great host” with which he went up to Jerusalem (2 Kings 19:17) still encamped against the city, and under command of Tartan, the chief general, Rab-shakeh himself being rather an ambassador and herald than military officer. See note on 2 Kings 18:19. Libnah was situated in the great Philistine plain,... read more
Wesley's Explanatory Notes - 2 Kings 19:8
So Rabshakeh returned, and found the king of Assyria warring against Libnah: for he had heard that he was departed from Lachish.Returned — To the king, to give him an account of the treaty; leaving behind him the army under the other commanders. read more