Sunan Ibn Majah 3202
سنن ابن ماجه#3202Sahihحَدَّثَنَا سُوَيْدُ بْنُ سَعِيدٍ، أَنْبَأَنَا مَالِكُ بْنُ أَنَسٍ، عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، قَالَ أَمَرَ رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ بِقَتْلِ الْكِلاَبِ .
It was narrated that Ibn ‘Umar said:“The Messenger of Allah (ﷺ) commanded that dogs be killed.”
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-AlbaniSahih
Muhammad Fouad Abd al-BaqiSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiSahih - Agreed Upon
In-book reference: 28:3