The Book of Prayers (Kitab Al-Salat)
Muslim :: Book 4 : Hadith 1485
Haritha b. Wahb reported: I prayed with the Messenger of Allah (may peace be upon him) two rak'abs and most of them offered two rak'ahs only in Mina, while the people felt secure.
Source materials are from the University of Southern California MSA site|
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