An-Nisa 4:93 ومن يقتل مومنا متعمدا فجزاوه جهنم خالدا فيها وغضب الله عليه ولعنه واعد له عذابا عظيما ٩٣
وَمَن
يَقۡتُلۡ
مُؤۡمِنٗا
مُّتَعَمِّدٗا
فَجَزَآؤُهُۥ
جَهَنَّمُ
خَٰلِدٗا
فِيهَا
وَغَضِبَ
ٱللَّهُ
عَلَيۡهِ
وَلَعَنَهُۥ
وَأَعَدَّ
لَهُۥ
عَذَابًا
عَظِيمٗا
٩٣
But whoever kills a believer intentionally - his recompense is Hell, wherein he will abide eternally, and Allāh has become angry with him and has cursed him and has prepared for him a great punishment.
Read Tafsir
Ibn Kathir (Abridged)
The Ruling Concerning Killing a Believer by Mistake
Allah states that the believer is not allowed to kill his believing brother under any circumstances. In the Two Sahihs, it is recorded that Ibn Mas`ud said that the Messenger of Allah ﷺ said,
«لَا يَحِلُّ دَمُ امْرِىءٍ مُسْلِمٍ يَشْهَدُ أَنْ لَا إِله
…The Ruling Concerning Killing a Believer by Mistake
Allah states that the believer is not allowed to kill his believing brother under any circumstances
…