18. Moses then left Pharaoh and prayed to the Lord.
19. And the Lord changed the wind to a very strong west wind, which caught up the locusts and carried them into the Red Sea. Not a locust was left anywhere in Egypt.
20. But the Lord hardened Pharaoh’s heart, and he would not let the Israelites go.
21. Then the Lord said to Moses, “Stretch out your hand toward the sky so that darkness spreads over Egypt—darkness that can be felt.”