Hadith 393
وَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ نَافِعٍ، أَنَّ ابْنَ عُمَرَ، لَمْ يَكُنْ يَلْتَفِتُ فِي صَلاَتِهِ .
Yahya related to me from Malik from Nafi that Ibn Umar would never turn around when praying
Mauquf Sahih (Salim al-Hilali)
Muwatta Malik 393 · Book 9, Hadith 68