Hadith 148
Narrated `Abdullah bin `Umar: I went up to the roof of Hafsa's house for some job and I saw Allah's Apostle answering the call of nature facing Sham (Syria, Jordan, Palestine and Lebanon regarded as one country) with his back towards the Qibla. (See Hadith No. 147).
Hadith 149
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).