There was not a man left in Ai or Bethel who did not go out after Israel. So they left the city open and pursued Israel.
Joshua 8:17
Surrounding context
8:16 So all the people who were in Ai were called together to pursue them. And they pursued Joshua and were drawn away from the city.
8:17 There was not a man left in Ai or Bethel who did not go out after Israel. So they left the city open and pursued Israel.
8:18 Then the LORD said to Joshua, "Stretch out the spear that is in your hand toward Ai, for I will give it into your hand." And Joshua stretched out the spear that was in his hand toward the city.