'Aayeshah Radiyallahu 'Anha reports:
"Rasulullah Sallallahu 'Alayhi Wasallam kissed the forehead of 'Uthmaan bin Maz'oon after his death. At that time tears were flowing from his eyes". (FR)
English reference (FR): Book 44, Hadith 309 (FR)
Arabic reference (FR): Book 45, Hadith 326 (FR)