When Pharaoh drew near, the children of Israel lifted up their eyes, and behold, the Egyptians were marching after them; and they were very afraid. The children of Israel cried out to Yahweh.

Moses and Aaron did so, as Yahweh commanded; and he lifted up the rod, and struck the waters that were in the river, in the sight of Pharaoh, and in the sight of his servants; and all the waters that were in the river were turned to blood.