"Or Allah will mingle your hearts together and curse you as He cursed them." Abu Dawud said: This tradition has been transmitted by al-Muharibi, from al-'Ala bin al-Musayyab, from 'Abd Allah bin 'Amr bin Murrah, from Salim al-Aftas, from Abu Ubaidah, from 'Abd Allah; and it is been transmitted by Khalid al-Tahhan, from al-'Ala, from 'Amr bin Murrah from Abu 'Ubaidah.
عَنِ النَّبِيِّ ﷺ بِنَحْوِهِ زَادَ أَوْ لَيَضْرِبَنَّ اللَّهُ بِقُلُوبِ بَعْضِكُمْ عَلَى بَعْضٍ ثُمَّ لَيَلْعَنَنَّكُمْ كَمَا لَعَنَهُمْ