Revelation 14:8

And a second angel followed, saying, "Babylon the great is fallen, is fallen, because she has made all nations drink of the deadly wine of her fornication."

Revelation 18:2

and he cried with a strong voice, Babylon the great is fallen, is fallen, and is become the abode of demons, the dungeon of every foul spirit, and a cage of every impure ill-boding bird.

Revelation 18:8-11

therefore shall her plagues come, mortality, mourning, and famine all at once: and she shall be consumed with fire: for the Lord God, who condemns her, is almighty.

Revelation 18:17-19

her wealth is all sunk in a moment! the pilots and the passengers: the ships-crew, and the super-cargo's shall stand afar off,

Treasury of Scripture Knowledge

Summary

Babylon is suddenly fallen and destroyed: howl for her; take balm for her pain, if so be she may be healed.

Bible References

Suddenly

Revelation 14:8
And a second angel followed, saying, "Babylon the great is fallen, is fallen, because she has made all nations drink of the deadly wine of her fornication."
Revelation 18:2
and he cried with a strong voice, Babylon the great is fallen, is fallen, and is become the abode of demons, the dungeon of every foul spirit, and a cage of every impure ill-boding bird.