حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا أَبُو بَكْرِ بْنُ عَيَّاشٍ، عَنْ عَاصِمٍ، عَنِ الْحَارِثِ بْنِ حَسَّانَ، قَالَ قَدِمْتُ الْمَدِينَةَ فَرَأَيْتُ النَّبِيَّ صلى الله عليه وسلم قَائِمًا عَلَى الْمِنْبَرِ وَبِلاَلٌ قَائِمٌ بَيْنَ يَدَيْهِ مُتَقَلِّدٌ سَيْفًا وَإِذَا رَايَةٌ سَوْدَاءُ فَقُلْتُ مَنْ هَذَا قَالُوا هَذَا عَمْرُو بْنُ الْعَاصِ قَدِمَ مِنْ غَزَاةٍ ‏.‏

It wasnarrated that Harith bin Hassan said: “I came to Al-Madinahand sawthe Prophet (PBUH) standing on the pulpit, and Bilal standingin frontof him, with his sword by his side, and (I saw) a black flag.I said:‘Who is this?’ He said: ‘This is ‘Amr bin ‘As, who has justcome back from a campaign.’” Translation Not Available

Book Ref: Sunan Ibn Majah Book 24 Hadith 2816
Web Ref:  Sunan Ibn Majah Vol 4 Book 24 Hadith 2816