Sunan Abi Dawud 2616
سنن أبي داود#2616Da'ifحَدَّثَنَا هَنَّادُ بْنُ السَّرِيِّ، عَنِ ابْنِ الْمُبَارَكِ، عَنْ صَالِحِ بْنِ أَبِي الأَخْضَرِ، عَنِ الزُّهْرِيِّ، قَالَ عُرْوَةُ فَحَدَّثَنِي أُسَامَةُ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم كَانَ عَهِدَ إِلَيْهِ فَقَالَ " أَغِرْ عَلَى أُبْنَى صَبَاحًا وَحَرِّقْ " .
Narrated Usamah: The Messenger of Allah (ﷺ) enjoined upon him to attack Ubna in the morning and burn the place
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Al-AlbaniDaif
Muhammad Muhyi Al-Din Abdul HamidDaif
Zubair Ali ZaiDaif
In-book reference: 15:140