It wasnarrated from Sulaiman bin 'Amr bin Ahwas that his mothersaid:
"Isaw the Prophet (saw0 on the Day of Sacrifice, at 'AqabahPillar,riding a mule. He said: 'O people! When you stone the Pillar,throwsmall pebbles.'" (FR)
English reference (FR): Vol. 4, Book 25, Hadith 3028 (FR)
Arabic reference (FR): Book 25, Hadith 3143 (FR)