Yahweh listened to the voice of Israel, and delivered up the Canaanites; and they utterly destroyed them and their cities.
Joshua smote all the land. He utterly destroyed all that breathed, as Jehovah, the God of Israel, commanded (Jos 10:40-42)
“Blessed shall he be who takes your little ones and dashes them against the rock” (Ps 137:9)
At midnight the Lord struck down all the firstborn in the land of Egypt. (Exo 12:29)
Put all males to the sword, but women, children, and everything else, you shall take as plunder, which God has given you. Deu 20:13-14
And the tribe that the Lord takes by lot shall come near by clans and be burned with fire, he and all that he has. Jos 7:14
Then the Lord said to Joshua, “Stretch out the javelin toward Ai, And all who fell that day, both men and women, were 12,000. Jos 8:18-25