It wasnarrated that 'Abdullah said:
"The Messenger of Allah (ﷺ)said:'Whoever consoles a person stricken by calamity will have arewardequal to his.'" (RU)
English reference (RU): Vol. 1, Book 6, Hadith 1602 (RU)
Arabic reference (RU): Book 6, Hadith 1670 (RU)