Exodus 14
5 Ref It was told the king of Egypt that the people had fled; and the heart of Pharaoh and of his servants was changed towards the people, and they said, "What is this we have done, that we have let Israel go from serving us?"
6 He made ready his chariot, and took his army with him;
7 Ref and he took six hundred chosen chariots, and all the chariots of Egypt, and captains over all of them.
8 Ref Yahweh hardened the heart of Pharaoh king of Egypt, and he pursued after the children of Israel; for the children of Israel went out with a high hand.
9 Ref The Egyptians pursued after them: all the horses and chariots of Pharaoh, his horsemen, and his army; and overtook them encamping by the sea, beside Pihahiroth, before Baal Zephon.