Journey of Israel Through The Desert: To Mount Hor: Arad Conquered
Source: TTT
Numbers 21:1–3
When the Canaanite king of Arad, who lived in the Negev, heard that Israel was coming along the road to Atharim, he attacked Israel and captured some prisoners. / So Israel made a vow to the LORD: “If You will deliver this people into our hands, we will devote their cities to destruction.” / And the LORD heard Israel’s plea and delivered up the Canaanites. Israel devoted them and their cities to destruction; so they named the place Hormah.
Numbers 33:40
Now the Canaanite king of Arad, who lived in the Negev in the land of Canaan, heard that the Israelites were coming.