Did Muawiya Poison Sa'd ibn Abi Waqqas?
Mu'awiya Poisoned Sa'd ibn Abi Waqqas and Imam Hasan
Al-Mu'jam al-Kabir by al-Tabarani, vol. 3, p. 70, no. 2694
Abu Bakr ibn Hafs said: "Sa'd and al-Hasan ibn Ali both died in the time of Mu'awiya, and they hold that he poisoned him."
Authenticity: The editor, Hamdi Abd al-Majid al-Salafi, refers this narration to his note on no. 2693, where he grades the chain authentic (sahih).
حدثنا محمد بن عبدالله الحضرمي قال ثنا محمد بن عبدالله بن نمير ثنا يحيى بن أبي بكير ثنا شعبة عن أبي بكر بن حفص أن سعدا والحسن بن علي رضي الله عنهما ماتا في زمن معاوية رضي الله عنه فيرون أنه سمه
