BSB(i)
15 you must surely put the inhabitants of that city to the sword. Devote to destruction all its people and livestock.
16 And you are to gather all its plunder in the middle of the public square, and completely burn the city and all its plunder as a whole burnt offering to the LORD your God. The city must remain a mound of ruins forever, never to be rebuilt.
17 Nothing devoted to destruction shall cling to your hands, so that the LORD will turn from His fierce anger, grant you mercy, show you compassion, and multiply you as He swore to your fathers,