Sahih Bukhari | Volume 7 | Hadith Number 522
Narrated by Um Al-Fadl
(Daughter of Al-Harith) that she sent a bowl of milk to the Prophet while he was standing (at 'Arafat) in the afternoon of the Day of 'Arafat. He took it in his hands and drank it. Narrated Abu Nadr: The Prophet was on the back of his camel.