أَخْبَرَنَا إِسْحَاقُ بْنُ مَنْصُورٍ، قَالَ أَخْبَرَنَا يَحْيَى، قَالَ حَدَّثَنَا مِسْعَرٌ، قَالَ حَدَّثَنِي وَاصِلٌ، عَنْ أَبِي وَائِلٍ، عَنْ حُذَيْفَةَ، أَنَّ النَّبِيَّ صلى الله عليه وسلم لَقِيَهُ وَهُوَ جُنُبٌ ‏.‏ فَأَهْوَى إِلَىَّ فَقُلْتُ إِنِّي جُنُبٌ فَقَالَ ‏"‏ إِنَّ الْمُسْلِمَ لاَ يَنْجُسُ ‏"‏ ‏.‏

It was narrated from Huthaifah that the Prophet (PBUH) met him when he was Junub: "And he came close to me and reached out his hand. I said: 'I am Junub.' He said: 'The Muslim is not made impure (Najis).'" Translation Not Available

Book Ref: Sunan An Nisai Book 1 Hadith 269
Web Ref:  Sunan An Nisai Not Available