1 Chronicles 20:3 in the King James Version
And he brought out the people that were in it, and cut them with saws, and with harrows of iron, and with axes. Even so dealt David with all the cities of the children of Ammon. And David and all the people returned to Jerusalem.
Context
2 David took the crown of their king from off his head, and found it to weigh a talent of gold, and there were precious stones in it. It was set on David’s head, and he brought very much plunder out of the city.
3 He brought out the people who were in it, and had them cut with saws, with iron picks, and with axes. David did so to all the cities of the children of Ammon. Then David and all the people returned to Jerusalem.
4 After this, war arose at Gezer with the Philistines. Then Sibbecai the Hushathite killed Sippai, of the sons of the giant; and they were subdued.