2 Kings 3:21-23

New Revised Standard Version Catholic Edition

²¹ When all the Moabites heard that the kings had come up to fight against them, all who were able to put on armor, from the youngest to the oldest, were called out and were drawn up at the frontier. ²² When they rose early in the morning, and the sun shone upon the water, the Moabites saw the water opposite them as red as blood. ²³ They said, “This is blood; the kings must have fought together, and killed one another. Now then, Moab, to the spoil!”