Jami at Tirmidhi
2158
Abu Umamah bin Sahl bin Hunaif narrated that on the day of siege, 'Uthman bin 'Affan stood overlooking the people, and he said:
I swear to you by Allah! You know that the Messenger of Allah (s.a.w) said: 'The blood of a Muslim man is not lawful,..
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