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It was narrated from Qatadah, from 'Abdullah bin Sarjis, that the Prophet (ﷺ) of Allah (ﷺ) said: "None of you should urinate into a burrow in the ground." They said to Qatadah: "Why is it disliked to urinate into a burrow in the ground?" He said: "It is said that these are dwelling-places of the jinn."
Source: sunnah.com
Other translations
Arabic
أَخْبَرَنَا عُبَيْدُ اللَّهِ بْنُ سَعِيدٍ، قَالَ أَنْبَأَنَا مُعَاذُ بْنُ هِشَامٍ، قَالَ حَدَّثَنِي أَبِي، عَنْ قَتَادَةَ، عَنْ عَبْدِ اللَّهِ بْنِ سَرْجِسَ، أَنَّ نَبِيَّ اللَّهِ صلى الله عليه وسلم قَالَ " لاَ يَبُولَنَّ أَحَدُكُمْ فِي جُحْرٍ " . قَالُوا لِقَتَادَةَ وَمَا يُكْرَهُ مِنَ الْبَوْلِ فِي الْجُحْرِ قَالَ يُقَالُ إِنَّهَا مَسَاكِنُ الْجِنِّ .
sunnah.com