Sayyiduna Abu Hurayrah (may Allah be pleased with him) said: The Prophet (peace and blessings be upon him) said: "When allegiance is pledged to two caliphs, kill the latter of them."
Al-Bazzar recorded it; its chain contains Abu Hilal, who is thiqah (trustworthy).
Al-Tabarani recorded it in al-Mu'jam al-Awsat.
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب الخلافة / 9010
Hadith Gradingمحدثین:إسنادہ حسن۔
Hadith Takhrij«اخرجه البزار فى المسند (1595) ، أخرجه المعجم الأوسط للطبراني برقم: 2764»
Sa'id bin Jubayr said: When Sayyiduna Abdullah bin al-Zubayr (may Allah be pleased with them both) spoke with Sayyiduna Mu'awiyah (may Allah be pleased with him) concerning the pledge of allegiance to Yazid, during that conversation he said to Sayyiduna Mu'awiyah (may Allah be pleased with him): "O Mu'awiyah! You yourself told me that the Prophet (peace and blessings be upon him) said: 'When there are two caliphs on the earth, kill the latter of them.'"
Al-Tabarani recorded it in al-Mu'jam al-Kabir and al-Mu'jam al-Awsat, and its narrators are thiqat (trustworthy).
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب الخلافة / 9011
Hadith Gradingمحدثین:إسنادہ صحیح
Hadith Takhrij«اخرجه الطبراني فى المعجم الكبير (314/19) ، أخرجه المعجم الأوسط للطبراني برقم: 3897»