Authentic
graded by Al-Albani
Mishkat al-Masabih 3942
Narrator:Abdullāh ibn ‘Umar
وَعَنْ عَبْدِ اللَّهِ بْنِ عُمَرَ قَالَ: نَهَى رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ عَنْ قَتْلِ النِّسَاءِ وَالصِّبْيَانِ
‘Abdallah b. ‘Umar said God’s Messenger forbade killing women and children. (Bukhari and Muslim.)
Cited in Mishkat al-Masabih (No. 3942).