In Genesis 18:27, this signifies the humility of the Lord's human as to its quality. (Arcana Coelestia 2265)

In Exodus 9:8, this signifies lustful falsities excited by the presence of infesting spirits. (Arcana Coelestia 7519, Apocalypse Explained 962[8])

In Ezekiel 27:30, this signifies something condemned, because the fire from which they come signifies infernal love. (Apocalypse Explained 441)

In Jeremiah 6:26, this signifies mourning because of the destruction of good and truth in the church. (Arcana Coelestia 637[9])

(Referencat: Apocalypse Explained 1175)

1297. 'And let us burn them thoroughly' means the evils that stem from self-love. This is clear from the meaning of 'to burn, a burning, fire, sulphur, and bitumen' in the Word, where they have reference to evil desires, chiefly to those that belong to self-love, as in Isaiah,

Our holy house, and our splendour, where our fathers praised You, has been made into a blaze of fire, and all our pleasant places have been made into a waste. Isaiah 64:11.

In the same prophet,

Conceive chaff, bring forth stubble. Your wind is a fire that will consume you. Thus the peoples will be burnings of lime; [like] thorns cut down they will be burned in the fire. Isaiah 33:11-12.

And there are many other examples besides these. 'Burning' and 'fire' have reference to evil desires because they possess similar characteristics.