He heard the Prophet ﷺ say, "The first bone of a person to speak on the day when mouths are sealed will be the thigh of his left leg."
حدثنا الحكم بن نافع حدثنا إسماعيل بن عياش عن ضمضم بن زرعة عن شريح بن عبيد الحضرمي عمن حدثه
أنه سمع النبي ﷺ يقول إن أول عظم من الإنسان يتكلم يوم يختم على الأفواه فخذه من الرجل الشمال
No references are available.
Its isnad is daif, because of the unknown identity of the narrator from Uqbah. Haythami said, 10/351, "Ahmad and Tabarani narrated it, and their isnad is good." It is found in Tabarani 17/333 and Tabarani 24/79 and Ibn Kathir 6/572.