Allah Almighty revealed: Noah's people, when they denied the Messengers We drowned them, and We made them as a sign for mankind. We have prepared a painful torment for the Zalimeen (polytheists and wrongdoers) Also Ad and Thamud and the dwellers of Ar Rass and many generations in between. For each of them We put forward examples (as proofs and lessons etc), and each of them We brought to utter ruin (because of their disbelief and evil deeds). (Ch 25:37-39 Quran)
Allah the Exalted revealed: Denied before them (these pagans of Mecca who denied you, O Muhammad) the people of Noah and the dwellers of Ar Rass, and Thamud and Ad and Pharaoh, and the brethren of Lot, and the dewellers of the Wood, and the people of Tubba, everyone of them denied their Messengers so My Threat took effect. (Ch 50:12-14 Quran).
These verses indicate that the dwellers of Ar Rass were destroyed as they were the other people who refused to believe in the prophets of Allah
Ibn jarir stated that the dwellers of Ar Rass were the people of one of Thamud's villages. Allah sent a prophet to them called Huzlah Ibn Safwan. They denied and killed him, so Allah destroyed them.
Abu Bakr Muhammad Ibn Al Hassan narrated: "The dwellers of AR Rass had a well sufficing them and their land. They also had a just and good-hearted king. When he died, they were much grieved for him. After four days Satan took his form and said: "I was not dead, but I kept absent from you to see your reaction." They were very joyful. He commanded them to set up a curtain between him and them and told them that he would never die. A great number of them believed him and were fascinated with and worshiped him. Then Allah sent them a prophet telling them that it was only Satan who was addressing them from behind the curtain. He forbade them to worship him and commanded them to worship only Allah and no partner with Him. In spite of that, they killed their prophet and threw his body into a well. Therefore Allah destroyed them and their homes."