Ibn Abbas (may Allah be pleased with him) said that the Prophet (peace and blessings be upon him) drank water during tawaf.
This is gharib (unusual) with this wording; the well-known narration from Asim al-Ahwal is the one that follows.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الحج / 9297