Numbers 21:1

21:1 The Canaanite, the king of Arad, who lived in the South, heard tell that Israel came by the way of Atharim; and he fought against Israel, and took some of them captive.
-World English Bible

Other Translation

21:1 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.
-King James Version