Numbers 33:40
“And king Arad the Canaanite, which dwelt in the south in the land of Canaan, heard of the coming of the children of Israel.”
And Aaron the priest went up into mount Hor at the commandment of the Lord, and died there, in the fortieth year after the children of Israel were come out of the land of Egypt, in the first day of the fifth month.
And Aaron was an hundred and twenty and three years old when he died in mount Hor.
And king Arad the Canaanite, which dwelt in the south in the land of Canaan, heard of the coming of the children of Israel.
And they departed from mount Hor, and pitched in Zalmonah.
And they departed from Zalmonah, and pitched in Punon.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Cross-References
“And when king Arad the Canaanite, which dwelt in the south, heard tell that Israel came by the way of the spies; then he fought against Israel, and took some of them prisoners.”
“And when king Arad the Canaanite, which dwelt in the south, heard tell that Israel came by the way of the spies; then he fought against Israel, and took some of them prisoners.”