Hadith 4:927
Abu Bakr narrated to us, he said: Waki’ narrated to us, from Abu Malik, from Ibn Abi Najih, from Mujahid, from Ibn Abbas, regarding a man who has a fly enter his throat: He said, "It does not break his fast."
حدثنا أبو بكر قال حدثنا وكيع عن أبي مالك عن بن أبي نجيح عن مجاهد عن بن عباس في الرجل يدخل حلقه الذباب قال لا يفطر