וַיָּבֹ֤א אֲבִימֶ֙לֶךְ֙ עַד־הַמִּגְדָּ֔ל וַיִּלָּ֖חֶם בּ֑וֹ וַיִּגַּ֛שׁ עַד־פֶּ֥תַח הַמִּגְדָּ֖ל לְשָׂרְפ֥וֹ בָאֵֽשׁ׃
And Abimelech came unto the tower, and fought against it, and went close unto the door of the tower to burn it with fire.
Read midrashic interpretation of Judges 9:52: and classical rabbinic exegesis.