Anas b. Malik reported, Abu Bakr led them in prayer due to the illness of the Messenger of Allah (ﷺ) of which be died. It was a Monday and they stood in rows for prayer. The Messenger of Allah (ﷺ) drew aside the curtain of ('A'isha's) apartment and looked at us while he was standing, and his (Prophet's) face was (as bright) as the paper of the Holy Book. The Messenger of Allah (ﷺ) felt happy and smiled. And we were confounded with joy while in prayer due to the arrival (among our midst) of the Messenger of Allah (ﷺ), Abu Bakr stepped back upon his heels to say prayer in a row perceiving that the Messenger of Allah (ﷺ) had come out for prayer. The Messenger of Allah (ﷺ) with the help of his hand signed to them to complete their prayer. The Messenger of Allah (ﷺ) went back (to his apartment) and drew the curtain. He (the narrator) said:The Messenger of Allah (ﷺ) breathed his last on that very day

English translation · Sahih Muslim