Ezekiel 21:4
"Seeing then that I will cut off from thee the righteous and the wicked, therefore shall my sword go forth out of his sheath against all flesh from the south to the north:"
Cross References (ranked by relevance)
Ezekiel 20:47
And say to the forest of the south, Hear the word of the LORD; Thus saith the Lord GOD; Behold, I will kindle a fire in thee, and it shall devour every green tree in thee, and every dry tree: the flaming flame shall not be quenched, and all faces from the south to the north shall be burned therein.
Ezekiel 7:2
Also, thou son of man, thus saith the Lord GOD unto the land of Israel; An end, the end is come upon the four corners of the land.