Narrated by:Mansur said
It was narrated that Mansur said:"I heard Abu Wa'il (say) that Hudhaifah said: 'The Messenger of Allah (ﷺ) came to some people's garbage dump and urinated while standing.'"
أَخْبَرَنَا مُحَمَّدُ بْنُ بَشَّارٍ، قَالَ أَنْبَأَنَا مُحَمَّدٌ، قَالَ أَنْبَأَنَا شُعْبَةُ، عَنْ مَنْصُورٍ، قَالَ سَمِعْتُ أَبَا وَائِلٍ، أَنَّ حُذَيْفَةَ، قَالَ إِنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم أَتَى سُبَاطَةَ قَوْمٍ فَبَالَ قَائِمًا .
Nesai
The Book of Purification • Hadith 27