Saeed bin Zayd reported,

I once saw myself bound by Umar to enter Islam, and if Mount Uhud were to crumble down because of what you have done to Uthman, it would have every right to crumble.

Bukhari 6942

Sahih

حدثنا سعيد بن سليمان حدثنا عباد عن إسماعيل سمعت قيسا سمعت

سعيد بن زيد يقول

لقد رأيتني وإن عمر موثقي على الإسلام ولو انقض أحد مما فعلتم بعثمان كان محقوقا أن ينقض

البخاري 6942صحيح
Contents
Reference
Commentary
Ayat
Collection
Sahih Bukhari
Book
Coercion
Chapter
One who chose beating, killing, and humiliation over disbelief
Numbering
Darussalam 6942
Bukhari 6942