حَدَّثَنَا هِشَامُ بْنُ عَمَّارٍ، حَدَّثَنَا حَاتِمُ بْنُ إِسْمَاعِيلَ، حَدَّثَنَا عَبْدُ الرَّحْمَنِ بْنُ عَيَّاشٍ، عَنْ عَمْرِو بْنِ شُعَيْبٍ، عَنْ أَبِيهِ، عَنْ جَدِّهِ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " لاَ يُقْتَلُ مُسْلِمٌ بِكَافِرٍ " .
It was narrated from 'Amr bin Shu'aib, from his father, from his grandfather, that the Messenger of Allah (PBUH) said: “A Muslim should not be killed in retaliation for the murder of a disbeliever.” Translation Not Available
Book Ref: Sunan Ibn Majah Book 21 Hadith 2659
Web Ref: Sunan Ibn Majah Vol 3 Book 21 Hadith 2659