It wasnarrated from Abu Qilabah that when Shaddad bin Aws waswalking withthe Messenger of Allah (ﷺ) in Al-Baqi', he passed by aman whowas being cupped, after eighteen days of the month (ofRamadan) hadpassed. The Messenger of Allah (ﷺ) said:
"The cupperand the onefor whom cupping is done both break their fast." (DE)
English reference (DE): Vol. 1, Book 7, Hadith 1681 (DE)
Arabic reference (DE): Book 7, Hadith 1751 (DE)