1699 - Abu Bakr narrated to us, he said: Ahmad narrated to me, he said: I asked Yazid ibn Harun about [the permissibility of] praying behind the Jahmiyyah, and he said: "Do not pray behind them."
١٦٩٩ - حَدَّثَنَا أَبُو بَكْرٍ، قَالَ: حَدَّثَنِي أَحْمَدُ، قَالَ: وَسَأَلْتُ يَزِيدَ بْنَ هَارُونَ عَنِ الصَّلَاةِ خَلْفَ الْجَهْمِيَّةِ، فَقَالَ: «لَا تُصَلِّ خَلْفَهُمْ»