وَلَقَد أَرسَلنا إِلىٰ ثَمودَ أَخاهُم صالِحًا أَنِ اعبُدُوا اللَّهَ فَإِذا هُم فَريقانِ يَختَصِمونَ

And We had certainly sent to Thamud their brother Salih, [saying], "Worship Allah," and at once they were two parties conflicting.