II Chronicles 25:23 Midrash

וְאֵת֩ אֲמַצְיָ֨הוּ מֶֽלֶךְ־יְהוּדָ֜ה בֶּן־יוֹאָ֣שׁ בֶּן־יְהוֹאָחָ֗ז תָּפַ֛שׂ יוֹאָ֥שׁ מֶֽלֶךְ־יִשְׂרָאֵ֖ל בְּבֵ֣ית שָׁ֑מֶשׁ וַיְבִיאֵ֙הוּ֙ יְר֣וּשָׁלִַ֔ם וַיִּפְרֹ֞ץ בְּחוֹמַ֣ת יְרוּשָׁלִַ֗ם מִשַּׁ֤עַר אֶפְרַ֙יִם֙ עַד־שַׁ֣עַר הַפּוֹנֶ֔ה אַרְבַּ֥ע מֵא֖וֹת אַמָּֽה׃

And Joash king of Israel took Amaziah king of Judah, the son of Joash, the son of Jehoahaz, at Beth-shemesh, and brought him to Jerusalem, and broke down the wall of Jerusalem from the gate of Ephraim unto the corner gate, four hundred cubits.

Read midrashic interpretation of II Chronicles 25:23: and classical rabbinic exegesis.