Sahih Bukhari
Pilgrimmage (Hajj)
Volume: 002 / Book Number: 026 / Hadith Number: 687
Narrated Ibn Abbas:
While the Prophet was performing Tawaf of the Kaba, he passed by a person who had tied his hands to another person with a rope or string or something like that. The Prophet cut it with his own hands and said, "Lead him by the hand."