Abu Dawud
The Rites of Hajj
Book Number: 004 / Hadith Number: 2011
Narated By Al-Muttalib ibn AbuWida'ah : Al-Muttalib saw that the Prophet (pbuh) was praying at the place adjacent to the gate of Banu Sahm and the people were passing before him, and there was no covering (sutrah) between them. The narrator Sufyan said: There was no covering between him and the Ka'bah.