Jami` at-Tirmidhi 3028
Narrated 'Abdullah bin Yazid:
from Zaid bin Thabit that he heard about this Ayah: Then what is the matter with you that you are divided into two parties about the hypocrites? (4:88) He said: "People among the Companions of the Prophet (ﷺ) returned on the Day of Uhud and there were two parties among them, a group who said: 'Kill them,' and a group that say not to. So Allah revealed this Ayah: Then what is the matter with you that you are divided into two parties about the hypocrites? (4:88) So he said: "Indeed it is Taibah (Al-Madinah). And he said: 'It expels filth from it just like the fire expels filth from iron.'"
حَدَّثَنَا مُحَمَّدُ بْنُ بَشَّارٍ، حَدَّثَنَا مُحَمَّدُ بْنُ جَعْفَرٍ، حَدَّثَنَا شُعْبَةُ، عَنْ عَدِيِّ بْنِ ثَابِتٍ، قَالَ سَمِعْتُ عَبْدَ اللَّهِ بْنَ يَزِيدَ، يُحَدِّثُ عَنْ زَيْدِ بْنِ ثَابِتٍ، أَنَّهُ قَالَ فِي هَذِهِ الآيَةِ ‏:‏ ‏(‏ فَمَا لَكُمْ فِي الْمُنَافِقِينَ فِئَتَيْنِ ‏)‏ قَالَ رَجَعَ نَاسٌ مِنْ أَصْحَابِ رَسُولِ اللَّهِ صلى الله عليه وسلم يَوْمَ أُحُدٍ ‏.‏ فَكَانَ النَّاسُ فِيهِمْ فَرِيقَيْنِ فَرِيقٌ يَقُولُ اقْتُلْهُمْ ‏.‏ وَفَرِيقٌ يَقُولُ لاَ ‏.‏ فَنَزَلَتْ هَذِهِ الآيَةُ ‏:‏ ‏(‏ فَمَا لَكُمْ فِي الْمُنَافِقِينَ فِئَتَيْنِ ‏)‏ وَقَالَ ‏"‏ إِنَّهَا طِيبَةُ وَقَالَ إِنَّهَا تَنْفِي الْخَبِيثَ كَمَا تَنْفِي النَّارُ خَبَثَ الْحَدِيدِ ‏"‏ ‏.‏ قَالَ أَبُو عِيسَى هَذَا حَدِيثٌ حَسَنٌ صَحِيحٌ وَعَبْدُ اللَّهِ بْنُ يَزِيدَ هُوَ الأَنْصَارِيُّ الْخَطْمِيُّ وَلَهُ صُحْبَةٌ ‏.‏