Merits of the Helpers in Madinah (Ansaar)

Bukhari :: Book 5 :: Volume 58 :: Hadith 174

Narrated Sa'id bin Al-Musaiyab's grand-father:

In the pre-lslamic period of ignorance a flood of rain came and filled the valley in between the two mountains (around the Ka'ba)......

Source materials are from the University of Southern California MSA site
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