Sahih al-Bukhari 1319

Arabic

حَدَّثَنَا مُسْلِمٌ، حَدَّثَنَا شُعْبَةُ، حَدَّثَنَا الشَّيْبَانِيُّ، عَنِ الشَّعْبِيِّ، قَالَ أَخْبَرَنِي مَنْ، شَهِدَ النَّبِيَّ صلى الله عليه وسلم أَنَّهُ أَتَى عَلَى قَبْرٍ مَنْبُوذٍ فَصَفَّهُمْ وَكَبَّرَ أَرْبَعًا‏.‏ قُلْتُ مَنْ حَدَّثَكَ قَالَ ابْنُ عَبَّاسٍ رضى الله عنهما‏.‏

English translation

Narrated Ash-Shaibani:Ash-Shu`bi said, "I was informed by a man who had seen the Prophet (ﷺ) going to a grave that was separate from the other graves and he aligned the people in rows and said four Takbir." I said, "O Abu `Amr! who narrated (that) to you"? He said, "Ibn `Abbas

Reference: Sahih al-Bukhari 1319, Book of Funerals (Al-Janaa'iz). English translation by Dr. Muhammad Muhsin Khan.