Revelation 8:10-11

Amplified Bible

¹⁰ The third angel sounded [his trumpet], and a great star fell from heaven, burning like a torch [flashing across the sky], and it fell on a third of the rivers and on the springs of [fresh] waters. ¹¹ The name of the star is ^[a]Wormwood; and a third of the waters became wormwood, and many people died from the waters, because they had become bitter (toxic).