Joshua 7:5

7:5 The men of Ai killed about thirty-six of them and chased them from in front of the city gate all the way to the fissures and defeated them on the steep slope. The people’s courage melted away like water.

Joshua 8:29

8:29 He hung the king of Ai on a tree, leaving him exposed until evening. At sunset Joshua ordered that his corpse be taken down from the tree. They threw it down at the entrance of the city gate and erected over it a large pile of stones (it remains to this very day).

Joshua 20:4

20:4 The one who committed manslaughter should escape to one of these cities, stand at the entrance of the city gate, and present his case to the leaders of that city. They should then bring him into the city, give him a place to stay, and let him live there.