Sayyiduna Ibn Umar (may Allah be pleased with them both) narrated that the Prophet Muhammad (peace and blessings be upon him) said: Woe (the narrator is in doubt whether he said "Wailakum" or "Wayhakum"), do not become disbelievers after me by striking the necks of one another.
Hadith Referenceاللؤلؤ والمرجان / كتاب الايمان / 45
Hadith Gradingمحدثین:«صحیح»
Hadith Takhrij«صحیح، أخرجه البخاري في: 78 كتاب الأدب: 95 باب ما جاء في قول الرجل ويلك»