וַיִּשְׁמְע֣וּ פְלִשְׁתִּ֗ים כִּי־נִמְשַׁ֨ח דָּוִ֤יד לְמֶ֙לֶךְ֙ עַל־כָּל־יִשְׂרָאֵ֔ל וַיַּעֲל֥וּ כָל־פְּלִשְׁתִּ֖ים לְבַקֵּ֣שׁ אֶת־דָּוִ֑יד וַיִּשְׁמַ֣ע דָּוִ֔יד וַיֵּצֵ֖א לִפְנֵיהֶֽם׃
And when the Philistines heard that David was anointed king over all Israel, all the Philistines went up to seek David; and David heard of it, and went out to meet them.
Read midrashic interpretation of I Chronicles 14:8: and classical rabbinic exegesis.