One of the Ansar said, 'You have killed Sa'd bin Ubada.

One of the Ansar said, 'You have killed Sa'd bin Ubada.' I replied, 'Allah has killed Sa'd bin Ubada.' Umar added, "By Allah, apart from the great tragedy that had happened to us (i.e. the death of the Prophet), there was no greater problem than the allegiance pledged to Abu Bakr because we were afraid that if we left the people, they might give the Pledge of allegiance after us to one of their men, in which…