Jeremiah 19:4-6

4Because the people [of Jerusalem] have abandoned (rejected) Me and have made this an alien and profaned place by burning sacrifices and incense in it to other gods, that neither they nor their fathers nor the kings of Judah ever knew, and because they have filled this place with the blood of the innocent

5and have built the high places of Baal to burn their sons in the fire as burnt offerings to Baal, which I never commanded or spoke of, nor did it ever enter My mind (heart);

6therefore, listen very closely, the days are coming,” says the Lord, “when this place shall no longer be called Topheth or the Valley of Ben-hinnom, but the Valley of Slaughter.