וּמַלְאָ֣ךְ בָּ֔א אֶל־שָׁא֖וּל לֵאמֹ֑ר מַהֲרָ֣ה וְלֵ֔כָה כִּֽי־פָשְׁט֥וּ פְלִשְׁתִּ֖ים עַל־הָאָֽרֶץ׃
But there came a messenger unto Saul, saying: ‘Haste thee, and come; for the Philistines have made a raid upon the land.’
Rashi on I Samuel
A messenger came. A real angel [in the guise of a messenger], in order to save Dovid.