Sunan an-Nasa'i 190
سنن النسائي#190Sahihأَخْبَرَنَا مُحَمَّدُ بْنُ الْمُثَنَّى، عَنْ مُحَمَّدٍ، قَالَ حَدَّثَنِي شُعْبَةُ، عَنْ أَبِي إِسْحَاقَ، قَالَ سَمِعْتُ نَاجِيَةَ بْنَ كَعْبٍ، عَنْ عَلِيٍّ، رضى الله عنه أَنَّهُ أَتَى النَّبِيَّ صلى الله عليه وسلم فَقَالَ إِنَّ أَبَا طَالِبٍ مَاتَ . فَقَالَ " اذْهَبْ فَوَارِهِ " . قَالَ إِنَّهُ مَاتَ مُشْرِكًا . قَالَ " اذْهَبْ فَوَارِهِ " . فَلَمَّا وَارَيْتُهُ رَجَعْتُ إِلَيْهِ فَقَالَ لِي " اغْتَسِلْ " .
It was narrated that Abbu Ishaq said:"I heard Najiyah bin Ka'b narrating from 'Ali that he came to the Prophet (ﷺ) and said: 'Abu Talib has died.' He said: 'Go and bury him.' He said: 'He died as an idolator.' He said: 'Go and bury him.' ('Ali said:) 'When I had buried him I went back to him and he said to me: 'Perform Ghusl
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: 1:191