That Abu Sufyan bin Harb Informed him that Heraclius called him and the members of a caravan from Quraish who had gone to Sham as traders, during the truce which Allah's Messenger (ﷺ) had concluded with Abu Sufyan and the Quraish infidels.
Reference: Sahih al-Bukhari 3174 In-book : Book 58, Hadith 16 USC-MSA web (English) : Vol. 4, Book 53, Hadith 399 (deprecated)
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