Revelation 8:11

Overview - Revelation 8
1	At the opening of the seventh seal,
2	Seven angels have seven trumpets given them.
6	Four of them sound their trumpets and great plagues follow.
9	Another angel puts incense to the prayers of the saints on the golden altar.

Revelation 8:11  (King James Version)
And the name of the star is called Wormwood: and the third part of the waters became wormwood; and many men died of the waters, because they were made bitter.