9 And it came to pass in the fourth year of king Hezekiah, which was the seventh year of Hoshea the son of Elah, king of Israel, [that] Shalmaneser king of Assyria came up against Samaria and besieged it. 10 And at the end of three years they took it; in the sixth year of Hezekiah, that is, the ninth year of Hoshea king of Israel, Samaria was taken. 11 And the king of Assyria carried away Israel to Assyria, and settled them in Halah and by the Habor, the river of Gozan, and in the cities of the Medes;
Matthew Henry's Commentary on 2 Kings 18:9-11
Commentary on 2 Kings 18:9-16
(Read 2 Kings 18:9-16)
The descent Sennacherib made upon Judah, was a great calamity to that kingdom, by which God would try the faith of Hezekiah, and chastise the people. The secret dislike, the hypocrisy, and lukewarmness of numbers, require correction; such trials purify the faith and hope of the upright, and bring them to simple dependence on God.