10 Then the third angel blew his trumpet. A large star, burning like a torch, dropped from the sky and fell on a third of the rivers and on the springs of water. 1
References for Revelation 8:10
11 (The name of the star is "Bitterness.") A third of the water turned bitter, and many people died from drinking the water, because it had turned bitter. 2
References for Revelation 8:11