Abu Bakrah رضى الله عنه reported: The Messenger of Allah صلى الله عليه وسلم said, “Whoever kills a person protected by a covenant, before its term expires, Allah has made Paradise forbidden for him.”
[Sunan Abu Dawud, Book 15, Number 2760, Grade: Sahih]
Book of Jihad, Chapter: On fulfilling the Covenant and the Sanctity of its Protection
عَنْ أَبِي بَكْرَةَ قَالَ قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ مَنْ قَتَلَ مُعَاهِدًا فِي غَيْرِ كُنْهِهِ حَرَّمَ اللَّهُ عَلَيْهِ الْجَنَّةَ
كتاب الجهاد » باب في الوفاء للمعاهد وحرمة ذمته
