Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
tabarani:77Yaḥyá b. ʿUthmān b. Ṣāliḥ > ʿAmr b. al-Rabīʿ b. Ṭāriq > Yaḥyá b. Ayyūb > Yūnus > al-Zuhrī > ʿUbaydullāh b. ʿAbdullāh b. ʿUtbah > Ibn ʿAbbās > ʿUmar Ṭuʿin

[Machine] He was accused of practicing sorcery, and it was Abu Lu'lu'a, the servant of Al-Mughira ibn Shu'ba, who stabbed him. He was a Zoroastrian.  

الطبراني:٧٧حَدَّثَنَا يَحْيَى بْنُ عُثْمَانَ بْنِ صَالِحٍ ثنا عَمْرُو بْنُ الرَّبِيعِ بْنِ طَارِقٍ أنا يَحْيَى بْنُ أَيُّوبَ عَنْ يُونُسَ عَنِ الزُّهْرِيِّ عَنْ عُبَيْدِ اللهِ بْنِ عَبْدِ اللهِ بْنِ عُتْبَةَ عَنِ ابْنِ عَبَّاسٍ ؓ «أَنَّ عُمَرَ ؓ

طُعِنَ فِي السَّحَرِ طَعَنَهُ أَبُو لُؤْلُؤَةَ غُلَامُ الْمُغِيرَةِ بْنِ شُعْبَةَ وَكَانَ مَجُوسِيًّا»