Sahih al-Bukhari 3862
صحيح البخاري#3862SahihNarrated Qais:I heard Sa`id bin Zaid bin `Amr bin Nufail saying in the mosque of Al-Kufa. "By Allah, I have seen myself tied and forced by `Umar to leave Islam before `Umar himself embraced Islam. And if the mountain of Uhud could move from its place for the evil which you people have done to `Uthman, then it would have the right to move from its place
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 63:87