Ezekiel 9:5-6

5And to the others he said in my hearing, Go after him through the city, and smite: let not your eye spare, neither have pity.

6Slay utterly the old man, the young man, and the maiden, and little children, and women; but come not near any man upon whom is the mark; and begin at my sanctuary. Then they began at the elders who were before the house.