Genesis 19:24-25
19:24 Then the Lord rained down sulfur and fire on Sodom and Gomorrah. It was sent down from the sky by the Lord.
19:25 So he overthrew those cities and all that region, including all the inhabitants of the cities and the vegetation that grew from the ground.
Genesis 19:28
19:28 He looked out toward Sodom and Gomorrah and all the land of that region. As he did so, he saw the smoke rising up from the land like smoke from a furnace.