Revelation 9:1

Overview - Revelation 9
1	At the sounding of the fifth angel, a star falls from heaven, to whom is given the key to the bottomless pit.
2	He opens the pit, and there come forth locusts like scorpions.
12	The first woe past.
13	The sixth trumpet sounds.
14	Four angels are let loose, that were bound.

Revelation 9:1  (King James Version)
And the fifth angel sounded, and I saw a star fall from heaven unto the earth: and to him was given the key of the bottomless pit.