Revelation 14:8

And another angel followed, saying, Babylon is fallen, is fallen, that great city, because all nations have been made to drink of the wine of the wrath of her whoredom.

Revelation 18:2

And he cried mightily with a great voice, saying, Babylon the great is fallen, is fallen, and is become the habitation of demons, and the hold of every impure spirit, and the cage of every unclean and hateful bird.

Revelation 18:8-11

Therefore in one hour shall all her plagues come, death, and mourning, and famine: and she shall be consumed with fire; because mighty is the Lord God, who judgeth her.

Revelation 18:17-19

And every pilot, and all the crew in the ships, and the mariners, and as many as exercise their labours on the sea, stood 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 another angel followed, saying, Babylon is fallen, is fallen, that great city, because all nations have been made to drink of the wine of the wrath of her whoredom.
Revelation 18:2
And he cried mightily with a great voice, saying, Babylon the great is fallen, is fallen, and is become the habitation of demons, and the hold of every impure spirit, and the cage of every unclean and hateful bird.