Surah Nuh — Ayah 25 (71:25)
مِّمَّا خَطِيٓـَٰٔتِهِمۡ أُغۡرِقُواْ فَأُدۡخِلُواْ نَارٗا فَلَمۡ يَجِدُواْ لَهُم مِّن دُونِ ٱللَّهِ أَنصَارٗا ٢٥
English translation (Saheeh International)
Because of their sins they were drowned and put into the Fire, and they found not for themselves besides Allāh [any] helpers.
Brief commentary
Due to the sins they committed, they were drowned by a flood in the world, and they were made to enter the hellfire immediately after their death. They did not find any helpers to save them from drowning or the hellfire.