﴿ وَتَرَكْنَا فِيهَآ ءَايَةًۭ لِّلَّذِينَ يَخَافُونَ ٱلْعَذَابَ ٱلْأَلِيمَ ﴾

“And so We left therein a message for those who fear the grievous suffering [which awaits all evildoers].”

Small pebbles of baked clay would be sent down upon them: مُّسَوَّمَةً عِندَ رَ‌بِّكَ "marked, with your Lord, for the transgressors."... 51:34), that is, pebbles conspicuously marked by Allah. Some scholars say that each stone bore the name of the person with which he was to be destroyed, and if he ran in any particular direction, he was pursued by the same stone. Other verses say that these people were destroyed by Jibra'il's (علیہ السلام) turning their territory upside down. The two descriptions of the punishment are not mutually contradictory: Probably, the stoning incident took place first, and then the earth was turned upside down.