Full Sharh — Sahih al-Bukhari 4419
حَدَّثَنَا عَبْدُ اللَّهِ بْنُ مُحَمَّدٍ الْجُعْفِيُّ، حَدَّثَنَا عَبْدُ الرَّزَّاقِ، أَخْبَرَنَا مَعْمَرٌ، عَنِ الزُّهْرِيِّ، عَنْ سَالِمٍ، عَنِ ابْنِ عُمَرَ ـ رضى الله عنهما ـ قَالَ لَمَّا مَرَّ النَّبِيُّ صلى الله عليه وسلم بِالْحِجْرِ قَالَ " لاَ تَدْخُلُوا مَسَاكِنَ الَّذِينَ ظَلَمُوا أَنْفُسَهُمْ، أَنْ يُصِيبَكُمْ مَا أَصَابَهُمْ إِلاَّ أَنْ تَكُونُوا بَاكِينَ ". ثُمَّ قَنَّعَ رَأْسَهُ وَأَسْرَعَ السَّيْرَ حَتَّى أَجَازَ الْوَادِيَ.
English Translation
Narrated Ibn `Umar:When the Prophet (ﷺ) passed by Al-Hijr, he said, "Do not enter the dwelling places of those people who were unjust to themselves unless you enter in a weeping state lest the same calamity as of theirs should befall you." Then he covered his head and made his speed fast till he crossed the valley
Source
Sahih al-Bukhari(صحيح البخاري)
Military Expeditions led by the Prophet (pbuh) (Al-Maghaazi)
Hadith Number
4419