It was narrated that Qaza' ah said: "I asked Abu Sa' eed Ai- Khudri about the prayer of the Messenger of Aliah P..B.U.H He said: 'There is nothing good in that for you: I said: 'Expiain it, may Allah have mercy on you: He said: 'The Iqamah wouid be given for the Zuhr prayer for the Messenger of Allah P.B.U.H then one of us would go out to Al-Baqi', relieve himself, then come back and perform ablution, and he would find the Messenger of Allah P.B.U.H still in the first Rak'ah of the Zuhr:" (Sahih)