(75) باب سِقَايَةِ الْحَاجِّ
Narrated Ibn `Umar:
Al `Abbas bin `Abdul-Muttalib asked the permission of Allah's Messenger (ﷺ) to let him stay in Mecca during the nights of Mina in order to provide the pilgrims with water to drink, so the Prophet (ﷺ) permitted him.
Reference: Sahih al-Bukhari 1634
In-book reference: Book 25, Hadith 117
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 2, Book 26, Hadith 699