Ibn ‘Umar came upon a man who had made his camel kneel and was sacrificing it, so he told him to make it stand up fettered according to the sunna of Muhammad. Bukhari and Muslim.
Hadith Referenceمشكوة المصابيح / كتاب المناسك / 2637
Hadith Gradingالألبانی:مُتَّفق عَلَيْهِ | زبیر علی زئی:متفق عليه
Hadith Takhrij´تحقيق و تخريج: محدث العصر حافظ زبير على زئي رحمه الله` «متفق عليه، رواه البخاري (1713) و مسلم (1320/358)»