Quran 9:5 – Itmam-e-Hujjah And Children
Yes children were also included, as this was an azab from God. Please see the following video at 00:32:00: ilm-o-Hikmat 26-01-2020 We have a complete FAQ on itmam-e-hujjah that you might also find useful: Discussion 37972
That’s about adult people.
Can you please provide the reference where the Prophet explicitly ordered to kill children?