'Abdullah bin Kinanah bin 'Abbas bin Mirdas As-Sulami narratedthathis father told him, from his father, that the Messenger ofAllah(ﷺ) prayed for forgiveness for his nation one evening at'Arafat,and the response came:
"I have forgiven them, except forthewrongdoer, with whom I will settle the score in favor of the onewhomhe wronged." He said: "O Lord, if You will, then grantParadise to theone who is wronged, and forgive the wrongdoer." Noresponse came (thatevening).The next day at Muzdalifah he repeatedthe supplication, andreceived a response to what he asked for. He(the narrator) said: "TheMessenger of Allah (ﷺ) laughed," orhe said, "He smiled. Abu Bakrand 'Umar said to him: 'May myfather and mother be ransomed for you,this is not a time when youusually laugh. What made you laugh, mayAllah make your years filledwith laughter?' He said: 'The enemy ofAllah, Iblis, when he cameto know that Allah answered my prayer andforgiven my nation, tooksome dust and started to sprinkle it on hishead, uttering cries ofwoe and doom, and what I saw of his anguishmade me laugh.'"
English reference: Vol. 4, Book 25, Hadith 3013
Arabic reference: Book 25, Hadith 3127