[Machine] Abu Umamah and his brother said: The Messenger of Allah ﷺ saw a group of people performing ablution (wudu) and said, "Woe to the heels from the hellfire."
عَنْ أَبِي أُمَامَةَ وَأَخِيهِ قَالَا أَبْصَرَ رَسُولُ اللهِ ﷺ قَوْمًا يَتَوَضَّئُونَ فَقَالَ «وَيْلٌ لِلْأَعْقَابِ مِنَ النَّارِ»