(47) باب الْجَمَاعَةُ لِلْفَائِتِ مِنَ الصَّلاَةِ
It was narrated that Anas said:
"The Messenger of Allah (ﷺ) turned to face us when he stood up to pray, before he said Takbir, and said: 'Make your rows straight and fill the gaps, for I can see you from behind my back."' (AR)
Reference (AR): Sunan an-Nasa'i 845 (AR)
In-book reference (AR): Book 10, Hadith 69 (AR)
English translation (AR): Vol. 1, Book 10, Hadith 846 (AR)