Sahih Bukhari Volume 2, Book 23, Hadith 1287

حَدَّثَنَا عَبْدَانُ، حَدَّثَنَا عَبْدُ اللَّهِ، أَخْبَرَنَا ابْنُ جُرَيْجٍ، قَالَ أَخْبَرَنِي عَبْدُ اللَّهِ بْنُ عُبَيْدِ اللَّهِ بْنِ أَبِي مُلَيْكَةَ، قَالَ تُوُفِّيَتِ ابْنَةٌ لِعُثْمَانَ ـ رضى الله عنه ـ بِمَكَّةَ وَجِئْنَا لِنَشْهَدَهَا، وَحَضَرَهَا ابْنُ عُمَرَ وَابْنُ عَبَّاسٍ ـ رضى الله عنهم ـ وَإِنِّي لَجَالِسٌ بَيْنَهُمَا ـ أَوْ قَالَ جَلَسْتُ إِلَى أَحَدِهِمَا‏.‏ ثُمَّ جَاءَ الآخَرُ، فَجَلَسَ إِلَى جَنْبِي فَقَالَ عَبْدُ اللَّهِ بْنُ عَمَرَ ـ رضى الله عنهما ـ لِعَمْرِو بْنِ عُثْمَانَ أَلاَ تَنْهَى عَنِ الْبُكَاءِ، فَإِنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ ‏"‏ إِنَّ الْمَيِّتَ لَيُعَذَّبُ بِبُكَاءِ أَهْلِهِ عَلَيْهِ ‏"‏‏

Narrated By 'Abdullah bin 'Ubaidullah bin Abi Mulaika : One of the daughters of 'Uthman died at Mecca. We went to attend her funeral procession. Ibn 'Umar and Ibn Abbas were also present. I sat in between them (or said, I sat beside one of them. Then a man came and sat beside me.) 'Abdullah bin 'Umar said to 'Amr bin 'Uthman, "Will you not prohibit crying as Allah's Apostle has said, 'The dead person is tortured by the crying of his relatives.?"