הִנֵּ֣ה אָ֠נֹכִי שָׂ֣ם אֶת־יְרוּשָׁלִַ֧ם סַף־רַ֛עַל לְכָל־הָעַמִּ֖ים סָבִ֑יב וְגַ֧ם עַל־יְהוּדָ֛ה יִֽהְיֶ֥ה בַמָּצ֖וֹר עַל־יְרוּשָׁלִָֽם׃
Behold, I will make Jerusalem a cup of staggering Unto all the peoples round about, And upon Judah also shall it fall to be in the siege against Jerusalem.
Read halakhic rulings (Jewish law) on Zechariah 12:2: and classical halakhic sources.