That the Messenger of Allah ﷺ said: "Whomever you find doing the actions of the people of Lut then kill the one doing it, and the one it is done to."  

قَالَ رَسُولُ اللَّهِ ﷺ مَنْ وَجَدْتُمُوهُ يَعْمَلُ عَمَلَ قَوْمِ لُوطٍ فَاقْتُلُوا الْفَاعِلَ وَالْمَفْعُولَ بِهِ قَالَ وَفِي الْبَابِ عَنْ جَابِرٍ وَأَبِي هُرَيْرَةَ  

That the Messenger of Allah ﷺ said: "What I fear most from my Ummah is the behavior of the people of Lut."  

قَالَ رَسُولُ اللَّهِ ﷺ إِنَّ أَخْوَفَ مَا أَخَافُ عَلَى أُمَّتِي عَمَلُ قَوْمِ لُوطٍ