Cross reference
Joshua 8:13
13 So they set the people, even all the host who was on the north of the city, and their liers-in-wait who were on the west of the city; and Joshua went that night into the midst of the valley.
Joshua 8:8
8 It shall be, when you have seized on the city, that you shall set the city on fire; according to the word of Yahweh shall you do: behold, I have commanded you.
Joshua 8:12
12 He took about five thousand men, and set them in ambush between Bethel and Ai, on the west side of the city.