مِشْكَاةُ الْمَصَابِيحِ
Mishkat al-Masabih 3534
Retaliation
Killing Apostates and People who Strive to cause Mischief - Section 1
وَعَنْ عَبْدِ اللَّهِ بْنِ عَبَّاسٍ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسلم: «إِن النَّارَ لَا يُعَذِّبُ بِهَا إِلَّا اللَّهُ» . رَوَاهُ البُخَارِيّ
‘Abdallah b. ‘Abbas reported God’s Messenger as saying, “Only God punishes with fire.” Bukhari transmitted it.
Mishkat al-Masabih, 3534صَحِيح (الألباني)