It wasnarrated that Abu 'Uqbah, who was the freed slave of somePersianpeople, said:
"I was present with the Prophet (ﷺ) on the DayofUhud. I struck a man from among the idolaters and said: 'Take that!And I am a Persian slave!' News of that reached the Prophet (ﷺ)andhe said: 'Why did you not say: "Take that! And I am an Ansarislave!?" (PT)
English reference (PT): Vol. 4, Book 24, Hadith 2784 (PT)
Arabic reference (PT): Book 24, Hadith 2890 (PT)