The Messenger of Allah ﷺ drove along many sacrificial camels and said, "Here I am, performing both umrah and hajj." I was right beside the left thigh of his she-camel.
حدثنا يعمر بن بشر حدثنا عبد الله أخبرنا حميد الطويل
ساق رسول الله ﷺ بدنا كثيرة وقال لبيك بعمرة وحج وإني لعند فخذ ناقته اليسرى
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Its isnad is sahih. Abdullah is Ibn Mubarak, and Yamar bin Bishr Khurasani was deemed reliable by Ibn Hibban, while Abu Hatim said nothing about him, and Ahmad did not criticize him. The hadith was narrated by Ibn Majah 2/615, no. 1910, in the Book of Marriage, on the wedding feast, and see Sharh al-Sunnah by Baghawi 9/136, no. 2311, and Tajrid Tamhid, 234, no. 764.