(60) باب إِذَا طَوَّلَ الإِمَامُ وَكَانَ لِلرَّجُلِ حَاجَةٌ فَخَرَجَ فَصَلَّى
Narrated Mu`adh bin Jabal:
I used to pray the `Isha prayer with the Prophet (ﷺ) and then go to lead my people in the prayer.
Reference: Sahih al-Bukhari 700
In-book reference: Book 10, Hadith 95
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 1, Book 11, Hadith 668