Surah Fussilat Verse 13 - English Translation by Literal
Surah Fussilatفَإِنۡ أَعۡرَضُواْ فَقُلۡ أَنذَرۡتُكُمۡ صَٰعِقَةٗ مِّثۡلَ صَٰعِقَةِ عَادٖ وَثَمُودَ
So if they objected/opposed , so say: "I warned/gave you notice (of) a fire falling from the sky accompanied by thunderous noise/destructive torture equal/alike to Aad and Thamud`s fire falling from the sky accompanied by thunderous noise/destructive torture