حَدَّثَنِي يَحْيَى، عَنْ مَالِكٍ، عَنْ نَافِعٍ، عَنْ عَبْدِ اللَّهِ بْنِ عُمَرَ، أَنَّهُ كَانَ يَحْتَجِمُ وَهُوَ صَائِمٌ - قَالَ - ثُمَّ تَرَكَ ذَلِكَ بَعْدُ فَكَانَ إِذَا صَامَ لَمْ يَحْتَجِمْ حَتَّى يُفْطِرَ ‏.‏

Yahya related to me from Malik from Nafi that Abdullah ibn Umarused to be cupped while he was fasting. Nafi said, "He later stoppeddoing that, and would not be cupped when he was fasting until he hadbroken the fast." Translation Not Available

Book Ref: Muwatta Imam Malik Book 18 Hadith 664
Web Ref:  Muwatta Imam Malik Book 18 Hadith 30