The Statement of Allah "Verily! We have seen the turning of your (Muhammad's ) face towards the heaven..." (V.2:144)
Narrated Anas:None remains of those who prayed facing both Qiblas (that is, Jerusalem and Mecca) except myself.
Reference
Sahih al-Bukhari 4489
In-book reference
Book 65, Hadith 16
USC-MSA web (English)
Vol. 6, Book 60, Hadith 16
Translation by Dr. M. Muhsin Khan · Language: EN
Sahih
Arabic Text
حَدَّثَنَا عَلِيُّ بْنُ عَبْدِ اللَّهِ، حَدَّثَنَا مُعْتَمِرٌ، عَنْ أَبِيهِ، عَنْ أَنَسٍ ـ رضى الله عنه ـ قَالَ لَمْ يَبْقَ مِمَّنْ صَلَّى الْقِبْلَتَيْنِ غَيْرِي.