Sa'id b. Jubair reported:
The inhabitants of Kufa differed in regard to this verse:" But whoever slays another believer intentionally, his requital shall be Hell" (iv. 92), so I went to Ibn 'Abbas and asked him about it, whereupon he said: This has been revealed and nothing abrogated it.
Reference: Sahih Muslim 3023 a
In-book reference: Book 56, Hadith 19
USC-MSA web (English) reference(deprecated numbering scheme): Book 43, Hadith 7169