Compiled by Imam Yahya ibn Sharaf al-Nawawi
وعن ابن مسعود رضي الله عنه قال: قال النبي صلى الله عليه وسلم : "أول ما يقضى بين الناس يوم القيامة في الدماء" ((متفق عليه)).
The Prophet (ﷺ) said, "The first matter concerning which people will be judged on the Day of Resurrection will be the matter of blood."[Al-Bukhari and Muslim]