It wasnarrated from 'Uthman bin 'Affan that the Messenger of Allah(ﷺ) said:
"Three will intercede on the Day of Resurrection: TheProphets, then the scholars, then the martyrs." (RU)
English reference (RU): Vol. 5, Book 37, Hadith 4313 (RU)
Arabic reference (RU): Book 37, Hadith 4456 (RU)