Hadith 14:207
Abu Bakr narrated to us, he said: Ibn Mahdi narrated to us, from Sufyan, from Mansur, from Mujahid, that Ibn Umar cauterized a son of his while he was in the state of Ihram.
حدثنا أبو بكر قال حدثنا بن مهدي عن سفيان عن منصور عن مجاهد أن بن عمر كوى ابنا له وهو محرم