It is narrated from Sayyiduna Abu Dharr (may Allah be pleased with him), the Messenger of Allah (peace and blessings be upon him) said: Whoever opposes the congregation of Muslims even by a span, he has cast off the rope of Islam from his neck.
Hadith Referenceالفتح الربانی / كتاب الخلافة والإمارة / 12130
Hadith Gradingمحدثین:صحیح
Hadith Takhrij«صحيح لغيره، اخرجه ابوداود: 4758 ، (انظر مسند أحمد ترقيم الرسالة: ترقیم بيت الأفكار الدولية: 21893»