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!?" (DE)
English reference (DE): Vol. 4, Book 24, Hadith 2784 (DE)
Arabic reference (DE): Book 24, Hadith 2890 (DE)