Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
nasai-kubra:3439 – Sarīʿ b. ʿAbdullāh al-Wāsiṭī And Kān Ḥimṣī > Isḥāq b. Yūsuf al-Azraq > Sharīk > ʿĀṣim > Abū Wāʾil > ʿAbdullāh

"The Messenger of Allah [SAW] said: 'The first thing concerning which a person will be brought to account will be the Salah, and the first thing concerning which scores will be settled among the people, will be bloodshed." (Using translation from Nasāʾī 3991)  

الكبرى للنسائي:٣٤٣٩ – أَخْبَرَنَا سَرِيعُ بْنُ عَبْدِ اللهِ الْوَاسِطِيُّ وَكَانَ حِمْصِيًّا قَالَ أَخْبَرَنَا إِسْحَاقُ بْنُ يُوسُفَ الْأَزْرَقُ عَنْ شَرِيكٍ عَنْ عَاصِمٍ عَنْ أَبِي وَائِلٍ عَنْ عَبْدِ اللهِ قَالَ

قَالَ رَسُولُ اللهِ ﷺ «أَوَّلُ مَا يُحَاسَبُ بِهِ الْعَبْدُ الصَّلَاةُ وَأَوَّلُ مَا يُقْضَى بَيْنَ النَّاسِ فِي الدِّمَاءِ»  

See similar narrations below:

Collected by Bukhārī, Nasāʾī, Ṭabarānī, Suyūṭī
bukhari:6864 – ʿUbaydullāh b. Mūsá > al-Aʿmash > Abū Wāʾil > ʿAbdullāh

The Prophet ﷺ said, "The first cases to be decided among the people (on the Day of Resurrection) will be those of blood-shed."  

البخاري:٦٨٦٤ – حَدَّثَنَا عُبَيْدُ اللَّهِ بْنُ مُوسَى عَنِ الأَعْمَشِ عَنْ أَبِي وَائِلٍ عَنْ عَبْدِ اللَّهِ قَالَ

قَالَ النَّبِيُّ ﷺ أَوَّلُ مَا يُقْضَى بَيْنَ النَّاسِ فِي الدِّمَاءِ  

nasai:3991 – Sarīʿ b. ʿAbdullāh al-Wāsiṭī al-Khaṣī > Isḥāq b. Yūsuf al-Azraq > Sharīk > ʿĀṣim > Abū Wāʾil > ʿAbdullāh

"The Messenger of Allah [SAW] said: 'The first thing concerning which a person will be brought to account will be the Salah, and the first thing concerning which scores will be settled among the people, will be bloodshed."  

النسائي:٣٩٩١ – أَخْبَرَنَا سَرِيعُ بْنُ عَبْدِ اللَّهِ الْوَاسِطِيُّ الْخَصِيُّ قَالَ حَدَّثَنَا إِسْحَاقُ بْنُ يُوسُفَ الأَزْرَقُ عَنْ شَرِيكٍ عَنْ عَاصِمٍ عَنْ أَبِي وَائِلٍ عَنْ عَبْدِ اللَّهِ قَالَ

قَالَ رَسُولُ اللَّهِ ﷺ أَوَّلُ مَا يُحَاسَبُ بِهِ الْعَبْدُ الصَّلاَةُ وَأَوَّلُ مَا يُقْضَى بَيْنَ النَّاسِ فِي الدِّمَاءِ  

nasai:3996 – Muḥammad b. al-ʿAlāʾ > Abū Muʿāwiyah > al-Aʿmash > Shaqīq > ʿAbdullāh

"The first matter concerning which scores will be settled among the people will be bloodshed."  

النسائي:٣٩٩٦ – أَخْبَرَنَا مُحَمَّدُ بْنُ الْعَلاَءِ قَالَ حَدَّثَنَا أَبُو مُعَاوِيَةَ قَالَ حَدَّثَنَا الأَعْمَشُ عَنْ شَقِيقٍ عَنْ عَبْدِ اللَّهِ قَالَ

أَوَّلُ مَا يُقْضَى بَيْنَ النَّاسِ فِي الدِّمَاءِ  

tabarani:10425 – al-Ḥasan b. ʿAlī b. Yāsir al-Baghdādī > Saʿīd b. Yaḥyá b. al-Azhar al-Wāsiṭī > Isḥāq al-Azraq > Sharīk > ʿĀṣim > Abū Wāʾil > ʿAbdullāh

[Machine] The Prophet ﷺ said, "The first thing to be judged among people is bloodshed, and the first thing for which a servant will be held accountable for is prayer."  

الطبراني:١٠٤٢٥ – حَدَّثَنَا الْحَسَنُ بْنُ عَلِيِّ بْنِ يَاسِرٍ الْبَغْدَادِيُّ ثنا سَعِيدُ بْنُ يَحْيَى بْنِ الْأَزْهَرِ الْوَاسِطِيُّ ثنا إِسْحَاقُ الْأَزْرَقُ عَنْ شَرِيكٍ عَنْ عَاصِمٍ عَنْ أَبِي وَائِلٍ عَنْ عَبْدِ اللهِ

عَنِ النَّبِيِّ ﷺ قَالَ «أَوَّلُ مَا يُقْضَى بَيْنَ النَّاسِ فِي الدِّمَاءِ وَأَوَّلُ مَا يُحَاسَبُ بِهِ الْعَبْدُ الصَّلَاةُ»