Sunan an-Nasa'i 821
سنن النسائي#821SahihIt 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
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiIsnaad Sahih
In-book reference: 10:45