Narrated `Abdullah bin `Umar: Once I went up the roof of our house and saw Allah's Apostle answering the call of nature while sitting over two bricks facing Baitul-Maqdis (Jerusalem). (See Hadith No. 147).
Hadith ReferenceSahih Bukhari / The Book of Wudu (Ablution) / Hadith: 149
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة