Narrated Al-Qasim bin Abi Bazza: That he asked Sa`id bin Jubair, Is there any repentance of the one who has murdered a believer intentionally? Then I recited to him:-- Nor kill such life as Allah has forbidden except for a just cause. Sa`id said, I recited this very Verse before Ibn `Abbas as you have recited it before me. Ibn `Abbas said, 'This Verse was revealed in Mecca and it has been abrogated by a Verse in Surat-An-Nisa which was later revealed in Medina.