From Sahih Muslim (Hadith 4646):
It has been narrated on the authority of 'Abdullah who said:It appeared to me as if I saw the Messenger of Allah (ﷺ) (and heard him) relate the story of a Prophet who had been beaten by his people, was wiping the blood from his face and was saying. My Lord, forgive my people, for they do not know
Reference: Muslim 4646