Jeremiah 39:1 Halakhah

בַּשָּׁנָ֣ה הַ֠תְּשִׁעִית לְצִדְקִיָּ֨הוּ מֶלֶךְ־יְהוּדָ֜ה בַּחֹ֣דֶשׁ הָעֲשִׂרִ֗י בָּ֠א נְבוּכַדְרֶאצַּ֨ר מֶֽלֶךְ־בָּבֶ֤ל וְכָל־חֵילוֹ֙ אֶל־יְר֣וּשָׁלִַ֔ם וַיָּצֻ֖רוּ עָלֶֽיהָ׃ (ס)

in the ninth year of Zedekiah king of Judah, in the tenth month, came Nebuchadrezzar king of Babylon and all his army against Jerusalem, and besieged it;

Read halakhic rulings (Jewish law) on Jeremiah 39:1: and classical halakhic sources.