Sahih (Sahih Muslim)
وَحَدَّثَنَاهُ مُحَمَّدُ بْنُ الْمُثَنَّى، وَعُبَيْدُ اللَّهِ بْنُ سَعِيدٍ، قَالاَ حَدَّثَنَا يَحْيَى، - وَهُوَ الْقَطَّانُ - عَنْ عُبَيْدِ اللَّهِ، بِهَذَا الإِسْنَادِ فِي مَعْنَى حَدِيثِ أَبِي أُسَامَةَ وَزَادَ قَالَ فَتَرَكَ الصَّلاَةَ عَلَيْهِمْ .
This hadith has been narrated on the authority of 'Ubaidullah with the same chain of transmitter but with the addition of the words:" He abandoned saying prayer over the hypocrites who had died