Hadith 341
Chapter 138: What Has Been Related About The Beginning Of The Qiblah - كتاب الصلاة
حَدَّثَنَا هَنَّادٌ، حَدَّثَنَا وَكِيعٌ، عَنْ سُفْيَانَ، عَنْ عَبْدِ اللَّهِ بْنِ دِينَارٍ، عَنِ ابْنِ عُمَرَ، قَالَ كَانُوا رُكُوعًا فِي صَلاَةِ الصُّبْحِ . قَالَ أَبُو عِيسَى وَحَدِيثُ ابْنِ عُمَرَ حَدِيثٌ صَحِيحٌ .
Ibn Umar said:
"They were bowing during the Subh (Fajr) Prayer."
Reference : Jami` at-Tirmidhi 341
In-book reference : Book 2, Hadith 193