Jeremiah 7:31 (KJV) And they have built the high places of Tophet, which is in the valley of the son of Hinnom,
to burn their sons and their daughters in the fire; which I commanded them not, neither came it into my heart.
Jeremiah 19:5 (KJV) They have built also the high places of Baal, to burn their sons with fire for
burnt offerings unto Baal, which I commanded not, nor spake it, neither came it into my mind.
Jeremiah 32:35 (NKJV) And they built the high places of Baal which are in the Valley of the Son of Hinnom,
to cause their sons and their daughters to pass through the fire to Molech, which I did not command them,
nor did it come into My mind that they should do this abomination, to cause Judah to sin.
2 Chronicles 28:3 (KJV) Moreover he burnt incense in the valley of the son of Hinnom, and burnt his children
in the fire, after the abominations of the heathen whom the Lord had cast out before the children of Israel.
2 Chronicles 33:6 (KJV) And he caused his children to pass through the fire in the valley of the son of Hinnom:
also he observed times, and used enchantments, and used witchcraft, and dealt with a familiar spirit, and
with wizards: he wrought much evil in the sight of the LORD, to provoke him to anger.
Leviticus 18:21 You must not give any of your children to be sacrificed to
Molech, for you must not profane the name of your God. I am the LORD.
God says burning people alive is evil, an abomination detestable to Him.