917Abu DawoodSahih (Al-Albani)حَدَّثَنَا الرَّبِيعُ بْنُ نَافِعٍ، حَدَّثَنَا مُعَاوِيَةُ، - يَعْنِي ابْنَ سَلاَّمٍ - عَنْ زَيْدٍ، أَنَّهُ سَمِعَ أَبَا سَلاَّمٍ، قَالَ حَدَّثَنِي السَّلُولِيُّ، - هُوَ أَبُو كَبْشَةَ - عَنْ سَهْلِ ابْنِ الْحَنْظَلِيَّةِ، قَالَ ثُوِّبَ بِالصَّلاَةِ - يَعْنِي صَلاَةَ الصُّبْحِ - فَجَعَلَ رَسُولُ اللَّهِ صلى الله عليه وسلم يُصَلِّي وَهُوَ يَلْتَفِتُ إِلَى الشِّعْبِ . قَالَ أَبُو دَاوُدَ وَكَانَ أَرْسَلَ فَارِسًا إِلَى الشِّعْبِ مِنَ اللَّيْلِ يَحْرُسُ .Narrated Sahl ibn al-Hanzaliyyah:The iqamah for the morning prayer was pronounced and the Messenger of Allah (ﷺ) began to offer prayer while he was looking at the mountain-pass. (Abu Dawud elaborated that the Prophet had sent a horseman to the mountain-pass at night in order to keep watch.)Reference: Sunan Abi Dawud 916 In-book : Book 2, Hadith 527 English translation : Book 3, Hadith 916