Revelation 16:4
And the third angel poured out his vial upon the rivers, and on the fountains of water; and they became blood.
Revelation 16:12
And the sixth poured forth his vial upon the great river Euphrates; and its water was dried up, that a way might be prepared for the kings from the rising of the sun.
Treasury of Scripture Knowledge
Summary
The king's heart is in the hand of the LORD, as the rivers of water: he turneth it whithersoever he will.
Bible References
As
Revelation 16:4
And the third angel poured out his vial upon the rivers, and on the fountains of water; and they became blood.