Sunan an-Nasa'i 172
سنن النسائي#172Sahihأَخْبَرَنَا هِشَامُ بْنُ عَبْدِ الْمَلِكِ، قَالَ حَدَّثَنَا مُحَمَّدٌ، - يَعْنِي ابْنَ حَرْبٍ - قَالَ حَدَّثَنِي الزُّبَيْدِيُّ، عَنِ الزُّهْرِيِّ، أَنَّ عُمَرَ بْنَ عَبْدِ الْعَزِيزِ، أَخْبَرَهُ أَنَّ عَبْدَ اللَّهِ بْنَ قَارِظٍ أَخْبَرَهُ أَنَّ أَبَا هُرَيْرَةَ قَالَ سَمِعْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم يَقُولُ " تَوَضَّئُوا مِمَّا مَسَّتِ النَّارُ " .
Abu Hurairah said:"I heard the Messenger of Allah (ﷺ) say: 'Perform Wudu' from that which has been touched by fire
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 1:173