Quran 21:77 from Surah Al-Anbiyaa on Divine Marvels.
وَنَصَرۡنَٰهُ مِنَ ٱلۡقَوۡمِ ٱلَّذِينَ كَذَّبُواْ بِـَٔايَٰتِنَآۚ إِنَّهُمۡ كَانُواْ قَوۡمَ سَوۡءٖ فَأَغۡرَقۡنَٰهُمۡ أَجۡمَعِينَ
English translation: And We helped him from the people who denied Our Signs Indeed they were a people evil so We drowned them all
Transliteration: wanasarnahu mina al-qawmi alladhina kadhabu biayatina innahum kanu qawma sawin fa-aghraqnahum ajma'ina