Kings IV 3:22

22 And they rose early in the morning, and the sun rose upon the waters, and Moab saw the waters on the opposite side red as blood.

Kings IV 3:22 In-Context

20 And it came to pass in the morning, when the sacrifice was offered, that, behold! waters came from the way of Edom, and the land was filled with water.
21 And all Moab heard that the three kings were come up to fight against them; and they cried out on every all that were girt with a girdle, and they said, Ho! and stood upon the border.
22 And they rose early in the morning, and the sun rose upon the waters, and Moab saw the waters on the opposite side red as blood.
23 And they said, This the blood of the sword; and the kings have fought, and each man has smitten his neighbour; now then to the spoils, Moab.
24 And they entered into the camp of Israel; and Israel arose and smote Moab, and they fled from before them; and they went on and smote Moab as they went.

The Brenton translation of the Septuagint is in the public domain.