Judges 1:19

So the LORD was with Judah. And they drove out the mountaineers, but they could not drive out the inhabitants of the lowland, because they had chariots of iron.

Surrounding context

1:18 Also Judah took Gaza with its territory, Ashkelon with its territory, and Ekron with its territory.

1:19 So the LORD was with Judah. And they drove out the mountaineers, but they could not drive out the inhabitants of the lowland, because they had chariots of iron.

1:20 And they gave Hebron to Caleb, as Moses had said. Then he expelled from there the three sons of Anak.

Translation and sources