Sahih Muslim | Book 43 | Hadith Number 7169

Narrated by Sa'id b. Jubair
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.