"The Messenger of Allah [SAW] said: 'The first matter concerning which judgment will be passed among the people will be bloodshed.'" (Using translation from Nasāʾī 3992)
أَنَّ رَسُولَ اللهِ ﷺ قَالَ «إِنَّ أَوَّلُ مَا يُحْكَمُ بَيْنَ النَّاسِ فِي الدِّمَاءِ»