That he asked Saʿid 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." Saʿid said, "I recited this very Verse before Ibn ʿAbbas as you have recited it before me. Ibn ʿAbbas 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."
هَذِهِ مَكِّيَّةٌ نَسَخَتْهَا آيَةٌ مَدَنِيَّةٌ الَّتِي فِي سُورَةِ النِّسَاءِ