Narrated Sa`id bin Jubair:
The people of Kufa differed as regards the killing of a believer so I entered upon Ibn `Abbas (and asked him) about that. Ibn `Abbas said, "The Verse (in Surat-An-Nisa', 4:93) was the last thing revealed in this respect and nothing cancelled its validity." (DE)
USC-MSA web (English) reference: Vol. 6, Book 60, Hadith 286 (DE)
Arabic reference (DE): Book 65, Hadith 4763 (DE)