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." (IT)
English reference (IT): Vol. 5, Book 37, Hadith 4313 (IT)
Arabic reference (IT): Book 37, Hadith 4456 (IT)