عَنْ شَقِيقٍ قَالَ قَالَ عَبْدُ اللَّهِ رَضِيَ اللَّهُ عَنْهُ قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَآلِهِ وَسَلَّمَ أَوَّلُ مَا يُقْضَى بَيْنَ النَّاسِ يَوْمَ الْقِيَامَةِ فِي الدِّمَاءِ
Narrated by Sayyiduna Abdullah bin Mas’ud (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: On the Day of Resurrection, the first matter to be decided among the people will be concerning blood (i.e., cases of murder).