Sunan Ibn Majah, Book 18, Hadith 2598 (In-Book) ⓘ
It was narrated from Mutarrif bin 'Abdullah bin Shikhkhir that his father said: “The Messenger of Allah said: 'The lost animal of the Muslim may lead to the burning flame of Hell.' ”
حَدَّثَنَا مُحَمَّدُ بْنُ الْمُثَنَّى، حَدَّثَنَا يَحْيَى بْنُ سَعِيدٍ، عَنْ حُمَيْدٍ الطَّوِيلِ، عَنِ الْحَسَنِ، عَنْ مُطَرِّفِ بْنِ عَبْدِ اللَّهِ بْنِ الشِّخِّيرِ، عَنْ أَبِيهِ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " ضَالَّةُ الْمُسْلِمِ حَرَقُ النَّارِ " .
also referenced under: Hadith 2502 (Reference) & Volume 3, Book 18, Hadith 2502 (DarusSalam)