Surah Nuh 71:25

مِّمَّا خَطِيٓـَٔـٰتِهِمْ أُغْرِقُوا۟ فَأُدْخِلُوا۟ نَارًا فَلَمْ يَجِدُوا۟ لَهُم مِّن دُونِ ٱللَّهِ أَنصَارًا

Because of their sins they were drowned and put into the Fire, and they found not for themselves besides Allāh [any] helpers.

Translation: Saheeh International

Tafsir

Because of mimmā mā indicates a relative clause their iniquities khatāyāhum a variant reading has khatī’ātihim they were drowned by the Flood then made to enter the Fire with which they were punished underwater after drowning. …

Excerpt from Tafsir al-Jalalayn, commentary on 71:25, via Quran.com. The reader has the full commentary and 9 more tafsirs.