حَدَّثَنَا حَفْصُ بْنُ عُمَرَ، حَدَّثَنَا شُعْبَةُ، عَنْ يَزِيدَ بْنِ أَبِي زِيَادٍ، عَنْ مِقْسَمٍ، عَنِ ابْنِ عَبَّاسٍ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم احْتَجَمَ وَهُوَ صَائِمٌ مُحْرِمٌ ‏.‏

Narrated Abdullah ibn Abbas: The Messenger of Allah (PBUH) had himself cupped when he was fasting and wearing ihram (pilgrim garb). Translation Not Available

Book Ref: Sunan Abi Dawud Book 14 Hadith 2373
Web Ref:  Sunan Abi Dawud Book 13 Hadith 2367