Verse 18

قَالُوٓا۟ إِنَّا تَطَيَّرْنَا بِكُمْ لَئِن لَّمْ تَنتَهُوا۟ لَنَرْجُمَنَّكُمْ وَلَيَمَسَّنَّكُم مِّنَّا عَذَابٌ أَلِيمٌ

They said; indeed you are bad omen for us and if you do not refrain, we will surely stone you and inflict upon you a painful suffering.