Sayyiduna Abu Hurairah (may Allah be pleased with him) narrates that the Messenger of Allah (peace and blessings be upon him) said: The wrath of Allah becomes severe upon the person whom the Messenger of Allah kills in the way of Allah.
Hadith Referenceالفتح الربانی / كتاب المدح والدم / 10103
Hadith Gradingمحدثین:صحیح
Hadith Takhrij«اسناده صحيح علي شرط الشيخين، أخرجه الحاكم: 4/ 275، (انظر مسند أحمد ترقيم الرسالة: 8213 ترقیم بيت الأفكار الدولية: 8198»
Brief Explanation
Benefits: … It is a great misfortune that a person should be fighting in opposition to the Prophet in any battle, and the Prophet himself kills him.