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tabarani:9385Isḥāq b. Ibrāhīm > ʿAbd al-Razzāq > al-Thawrī > Abū Isḥāq > ʿAbdullāh b. Abū Mūsá

[Machine] Ibn Mas'ood came and the imam was praying the morning prayer, so he prayed two extra units of prayer to a pillar, but he did not pray the two units of the dawn prayer.  

الطبراني:٩٣٨٥حَدَّثَنَا إِسْحَاقُ بْنُ إِبْرَاهِيمَ عَنْ عَبْدِ الرَّزَّاقِ عَنِ الثَّوْرِيِّ عَنْ أَبِي إِسْحَاقَ عَنْ عَبْدِ اللهِ بْنِ أَبِي مُوسَى قَالَ

«جَاءَ ابْنُ مَسْعُودٍ وَالْإِمَامُ يُصَلِّي الصُّبْحَ فَصَلَّى رَكْعَتَيْنِ إِلَى سَارِيَةٍ وَلَمْ يَكُنْ صَلَّى رَكْعَتَيِ الْفَجْرِ»