Narrated Anas bin Malik: The Messenger of Allah ﷺ entered a park. He was accompanied by a boy who had a jug of water with him. He was the youngest of us. He placed it near the lote-tree. He ( the Prophet, ﷺ ) relieved himself. He came to us after he had cleansed himself with water.
Hadith Referenceسنن ابي داود / كتاب الطهارة / 43
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:صحيح بخاري (152) صحيح مسلم (270)
Narrated Abu Hurairah: The Prophet ﷺ said: The following verse was revealed in connection with the people of Quba': "In it are men who love to be purified" (ix. 108). He (Abu Hurairah) said: They used to cleanse themselves with water after easing. So the verse was revealed in connection with them.
Hadith Referenceسنن ابي داود / كتاب الطهارة / 44
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:حسن, فيه ابراهيم بن ابي ميمونة مجھول، وله شاھد قوي في مسند احمد (6/ 6 ح 23833)