II Chronicles 21:16 Midrash

וַיָּ֨עַר יְהוָ֜ה עַל־יְהוֹרָ֗ם אֵ֣ת ר֤וּחַ הַפְּלִשְׁתִּים֙ וְהָ֣עַרְבִ֔ים אֲשֶׁ֖ר עַל־יַ֥ד כּוּשִֽׁים׃

And the LORD stirred up against Jehoram the spirit of the Philistines, and of the Arabians that are beside the Ethiopians;