عَنْ أَنَسِ بْنِ مَالِكٍ ‏- رضى الله عنه ‏- قَالَ: { سُئِلَ رَسُولُ اَللَّهِ ‏- صلى الله عليه وسلم ‏-عَنْ اَلْخَمْرِ تُتَّخَذُ خَلًّا? قَالَ:"لَا".‏ } أَخْرَجَهُ مُسْلِم ٌ 1‏ .‏‏1 ‏- صحيح.‏ رواه مسلم (1983)‏.‏
Translation
Narrated Anas bin Malik (rad)

On the day of Khaibair, Allah’s Messenger (ﷺ) commanded Abu Talha to announce: “Allah and His Messenger have prohibited for you (eating of) the flesh of the donkeys, for it is unclean”. [Agreed upon].