Where did the faithful from up "north" go?
And after them out of all the tribes of Israel
such as set their hearts to seek the LORD God of Israel
came to Jerusalem,
to sacrifice unto the LORD God of their fathers.
2 Chronicles 11:16
Sound familiar?
And he cried mightily with a strong voice, saying,
Babylon the great is fallen, is fallen, ...
Come out of her, my people,
that ye be not partakers of her sins,
Revelation 18:2,4