And the third angel poured out his bowl upon the rivers and fountains of waters; and they became blood.
All Commentaries on Revelation 16:4 Go To Revelation 16
Bede
AD 735
angel: In the angel of the waters he speaks of all the angels of the peoples, who in inner affection are united in singing the praises of God; for that in avenging the blood of His servants, He has made their murderers to drink of death. <a