Umm Fadl bint Harith reported,

Some people were disputing in her presence on the Day of Arafah about whether the Messenger of Allah ﷺ was fasting. Some said he was fasting, while others said he was not. So she sent him a cup of milk while he was standing on his camel at Arafah, and he drank it.

Muslim 2632

Sahih

حدثنا يحيى بن يحيى قال قرأت على مالك عن أبي النضر عن عمير مولى عبد الله بن عباس

عن أم الفضل بنت الحارث

أن ناسا تماروا عندها يوم عرفة في صيام رسول الله ﷺ فقال بعضهم هو صائم وقال بعضهم ليس بصائم فأرسلت إليه بقدح لبن وهو واقف على بعيره بعرفة فشربه

مسلم 2632صحيح
Contents
Reference
Commentary
Ayat
Collection
Sahih Muslim
Book
Fasting
Chapter
Recommendation of breaking the fast for the pilgrim at Arafat on the day of Arafah
Numbering
Darussalam 2632
Muslim 2632