Joshua 10:18 in the King James Version
And Joshua said, Roll great stones upon the mouth of the cave, and set men by it for to keep them:
Context
17 Joshua was told, saying, “The five kings have been found, hidden in the cave at Makkedah.”
18 Joshua said, “Roll large stones to cover the cave’s entrance, and set men by it to guard them;
19 but don’t stay there. Pursue your enemies, and attack them from the rear. Don’t allow them to enter into their cities; for the LORD your God has delivered them into your hand.”