2 Chronicles 32:8-9, 21

with him is an arm of flesh; but with us is the LORD our God to help us, and to fight our battles. And the people rested themselves upon the words of Hezekiah king of Judah. After this did Sennacherib king of Assyria send his servants to Jerusalem, (but he himself laid siege against Lachish, and all his power with him,) unto Hezekiah king of Judah, and unto all Judah that were at Jerusalem, saying

And the LORD sent an angel, which cut off all the mighty men of valour, and the leaders and captains in the camp of the king of Assyria. So he returned with shame of face to his own land. And when he was come into the house of his god, they that came forth of his own bowels slew him there with the sword.