Sahih Muslim
The Book of Pilgrimage (Kitab Al-Hajj)
Book Number: 007 / Hadith Number: 2730
This hadith has been narrated on the authority of Ibn 'Umar through be upon him) as saying: Five (are the beasts) in killing which or their being killed in the precinct of the Ka'ba there is no sin." The rest of the hadith is the same.