וַיִּשְׁמַ֕ע תֹּ֖עוּ מֶ֣לֶךְ חֲמָ֑ת כִּ֚י הִכָּ֣ה דָוִ֔יד אֶת־כָּל־חֵ֖יל הֲדַדְעֶ֥זֶר מֶֽלֶךְ־צוֹבָֽה׃
And when Tou king of Hamath heard that David had smitten all the host of Hadarezer king of Zobah,
Read midrashic interpretation of I Chronicles 18:9: and classical rabbinic exegesis.