Quoting Commentary for I Kings 17:2

וַיְהִ֥י דְבַר־יְהוָ֖ה אֵלָ֥יו לֵאמֹֽר׃

And the word of the LORD came unto him, saying:

From David to Destruction

At the beginning of Melachim I 17, Eliyahu HaNavi swears that no rain or dew will fall throughout northern Israel. After this proclamation, Hashem tells him to go hide in the Nachal Kerit, near the Yarden, and that He has commanded the ravens to bring him food (Melachim I 17:2-6).
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