Yahya related to me from Malik from more than one reliable sourcethat Sad ibn Abi Waqqas and Said ibn Zayd ibn Amr ibn Nufayl died atal-Aqiq and were carried to Madina and buried there. (RU)
USC-MSA web (English) reference: Book 16, Hadith 31 (RU)
Arabic reference (RU): Book 16, Hadith 553 (RU)