Prayer (Kitab Al-Salat): Details of Commencing Prayer

Dawud :: Book 3 : Hadith 908

Narrated Ali ibn AbuTalib:

The Apostle of Allah (peace_be_upon_him) said: Ali, do not instruct the imam during the prayer.

Source materials are from the University of Southern California MSA site
Hadith eBooks converted from Imaan Star