﴿ مِّمَّا خَطِيٓـَٰٔتِهِمْ أُغْرِقُوا۟ فَأُدْخِلُوا۟ نَارًۭا فَلَمْ يَجِدُوا۟ لَهُم مِّن دُونِ ٱللَّهِ أَنصَارًۭا ﴾

“And so, because of their sins, they were drowned [in the great flood], and were doomed to suffer the fire [of the hereafter]; and they found none who could succour them against God.”

Please check ayah 71:28 for complete tafsir.