וַיֹּ֖אמֶר מֶ֣לֶךְ יִשְׂרָאֵ֑ל אֲהָ֕הּ כִּֽי־קָרָ֣א יְהוָ֗ה לִשְׁלֹ֙שֶׁת֙ הַמְּלָכִ֣ים הָאֵ֔לֶּה לָתֵ֥ת אוֹתָ֖ם בְּיַד־מוֹאָֽב׃
At sinabi ng hari ng Israel: “Ay naku! Tinawag ng Walang-Hanggan ang tatlong haring ito upang ibigay sila sa kamay ng Moab!”
Rashi
To hand them over, etc. For they will die of thirst.6The three kings will be handed over to Moav because either they will die of thirst, or if they scatter across the countryside in search for water, they will be in an unprotected and vulnerable position.—Radak