197
Musnad AhmedIt was narrated from Ibn al Musayyab that "Umar (رضي الله عنه) said:
One of the last verses to be revealed was the verse on riba, and when the Messenger of Allah (ﷺ) died, he had not explained it. So avoid riba and any dubious matter.
Reference: Musnad Ahmad 350
Arabic/English book : Book 2, Hadith 350
Arabic/English book : Book 2, Hadith 350