So behold, the LORD is about to strike your people, your sons, your wives, and all your possessions with a serious blow.
Here we have, I. A warning from God sent to Jehoram by a writing from Elijah the prophet. By this it appears that Jehoram came to the throne, and showed himself what he was before Elijah's translation. It is true we find Elisha attending Jehoshaphat, and described as pouring water on the hands of Elijah, after the story of Elijah's translation (Kg2 3:11); but that...
Commenting on 2 Chronicles 21:12-20
Moreover, the Lord stirred up against Jehoram the spirit of the Philistines,.... Which had been depressed in the times of Jehoshaphat, to whom they brought their presents and tribute willingly, Ch2 17:11. and of the Arabians that were near the Ethiopians; not the Ethiopians of Africa, as the Targum, for the Arabians were not near them, but the Chusaean Arabs or Midianites, see Num 12:1.
Will the Lord smite - "The Word of the Lord will send a great mortality." - Targum.