وَلَقَدْ أَرْسَلْنَآ إِلَىٰ ثَمُودَ أَخَاهُمْ صَـٰلِحًا أَنِ ٱعْبُدُوا۟ ٱللَّهَ فَإِذَا هُمْ فَرِيقَانِ يَخْتَصِمُونَ
Certainly We sent to Thamud Salih, their brother, [with the summons:] ‘Worship Allah!’ But thereat they became two groups contending with each other.