Ibn ‘Umar said that the dogs used to go here and there in the mosque in the time of God’s messenger and that they did not sprinkle any place where they had been. Bukhari transmitted it.
Hadith Referenceمشكوة المصابيح / كتاب الطهارة / 514
Hadith Gradingالألبانی:صَحِيح | زبیر علی زئی:صحيح
Hadith Takhrij´تحقيق و تخريج: محدث العصر حافظ زبير على زئي رحمه الله` «رواه البخاري (174)»