Ezekiel 4:3

4:3 Then for your part take an iron frying pan and set it up as an iron wall between you and the city. Set your face toward it. It is to be under siege; you are to besiege it. This is a sign for the house of Israel.

Ezekiel 4:7

4:7 You must turn your face toward the siege of Jerusalem with your arm bared and prophesy against it.