The donkey passed in front of the row and then he got down from it And joined the row along with the people.
Sahih Muslim Book 4, Hadith 287
← Previous Hadith I came riding on a she-ass, and I was on the threshold of maturity, and the Messenger of Allah (ﷺ) was leading people in prayer at Mina. I passed in front of the row and got down, and sent the she-ass for grazing and joined the row, and nobody made any objection to it.

Sahih Muslim Book 4, Hadith 286 Next Hadith → The Apostle of Allah (ﷺ) was leading prayer at 'Arafa.

Sahih Muslim Book 4, Hadith 288