Sunan an-Nasa'i 821
سنن النسائي#821Sahihأَخْبَرَنَا عَمْرُو بْنُ مَنْصُورٍ، قَالَ حَدَّثَنَا أَبُو نُعَيْمٍ، عَنْ سُفْيَانَ، عَنْ يَحْيَى بْنِ هَانِئٍ، عَنْ عَبْدِ الْحَمِيدِ بْنِ مَحْمُودٍ، قَالَ كُنَّا مَعَ أَنَسٍ فَصَلَّيْنَا مَعَ أَمِيرٍ مِنَ الأُمَرَاءِ فَدَفَعُونَا حَتَّى قُمْنَا وَصَلَّيْنَا بَيْنَ السَّارِيَتَيْنِ فَجَعَلَ أَنَسٌ يَتَأَخَّرُ وَقَالَ قَدْ كُنَّا نَتَّقِي هَذَا عَلَى عَهْدِ رَسُولِ اللَّهِ صلى الله عليه وسلم .
It was narrated that 'Abdul Hamid bin Mahmud said:"We were with Anas and we prayed with one of the Amirs. They pushed us until we stood and prayed between two rows, and Anas started moving backward and said: 'We used to avoid this at the time of the Messenger of Allah (ﷺ)
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: 10:45