Chapter. It is permissible in the building

 Wasi´ bin Habban said: I was praying in the mosque and ´Abdullah bin ´Umar was sitting resting him against the Qiblah. After completing my prayer, I wnt to him from one side. ´Abdullah said: ´´Some people say, ´Whoenever you sit for answering the call of nature, you should not fae the Qiblah or Bait-ul-Maqdis (Jerusalem)´.´´ Abdullah said, ´´Once I went up the roof of our house and I saw the Messenger of Allah salla alayhi wa sallam answering the call of nature sitting on two bricks facing Bait-ul-Maqdis (Jerusalem).´´ [But there was a screen covering him. (Fath-ul-Bari, page 258, vol. 1)]