Sunan an-Nasa'i 4864

أَخْبَرَنَا أَزْهَرُ بْنُ جَمِيلٍ، قَالَ حَدَّثَنَا خَالِدُ بْنُ الْحَارِثِ، قَالَ حَدَّثَنَا شُعْبَةُ، عَنِ الْمُغِيرَةِ بْنِ النُّعْمَانِ، عَنْ سَعِيدِ بْنِ جُبَيْرٍ، قَالَ اخْتَلَفَ أَهْلُ الْكُوفَةِ فِي هَذِهِ الآيَةِ ‏{‏ وَمَنْ يَقْتُلْ مُؤْمِنًا مُتَعَمِّدًا ‏}‏ فَرَحَلْتُ إِلَى ابْنِ عَبَّاسٍ فَسَأَلْتُهُ فَقَالَ نَزَلَتْ فِي آخِرِ مَا أُنْزِلَتْ وَمَا نَسَخَهَا شَىْءٌ ‏.‏

It was narrated that Sa'eed bin Jabair said:"The people of Al-Kufah differed concerning this verse: 'And whoever kills a believer intentionally. So I went to Ibn 'Abbas and asked him, and he said: 'It was revealed among the last of what was revealed, and nothing of it was abrogated after that

Reference

Sunan an-Nasa'i 4864

In-book

Book 45, Hadith 159