It wasnarrated that Silah bin Zufar said:
"We were with 'Ammar ontheday concerning which there was some doubt. A (roasted) sheep wasbrought and some of the people moved away. 'Ammar said: 'Whoeverisfasting on this day has disobeyed Abu Qasim (ﷺ).'" (FR)
English reference (FR): Vol. 1, Book 7, Hadith 1645 (FR)
Arabic reference (FR): Book 7, Hadith 1714 (FR)