AL A'RAAF — Ayat 5

فَمَا كَانَ دَعْوَاهُمْ إِذْ جَاءهُمْ بَأْسُنَا إِلاَّ أَن قَالُواْ إِنَّا كُنَّا ظَالِمِينَ

And their declaration when Our punishment came to them was only that they said, "Indeed, we were wrongdoers!"