'Killing' in the Bible

He spoke as I listened to the others, “Pass through the city after him and start killing; do not show pity or spare them!

Then He said to them, “Defile the temple and fill the courts with the slain. Go!” So they went out killing people in the city.

While they were killing, I was left alone. And I fell facedown and cried out, “Oh, Lord God! Are You going to destroy the entire remnant of Israel when You pour out Your wrath on Jerusalem?”