´It was narrated from 'Abdullah bin 'Amr that the Messenger of Allah (ﷺ) said:` “Whoever kills a Mu'ahid, will not smell the fragrance of Paradise, even though its fragrance may be detected from a distance of forty years.”
Hadith Referenceسنن ابن ماجه / كتاب الديات / 2686
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:صحيح بخاري
´It was narrated from Abu Hurairah that the Prophet (ﷺ) said:` “Whoever kills a Mu'ahid who has the protection of Allah and the protection of his Messenger, will not smell the fragrance of Paradise, even though its fragrance may be detected from a distance of Seventy years.”