Deuteronomy 13:15

15 you must certainly put to the sword all who live in that town. You must destroy it completely,a both its people and its livestock.

Read Deuteronomy 13:15 Using Other Translations

Thou shalt surely smite the inhabitants of that city with the edge of the sword, destroying it utterly, and all that is therein, and the cattle thereof, with the edge of the sword.
you shall surely put the inhabitants of that city to the sword, devoting it to destruction, all who are in it and its cattle, with the edge of the sword.
you must attack that town and completely destroy all its inhabitants, as well as all the livestock.