2 Samuel 12:31

12:31 He removed the people who were in it and made them do hard labor with saws, iron picks, and iron axes, putting them to work at the brick kiln. This was his policy with all the Ammonite cities. Then David and all the army returned to Jerusalem.

2 Samuel 20:6

20:6 Then David said to Abishai, “Now Sheba son of Bicri will cause greater disaster for us than Absalom did! Take your lord’s servants and pursue him. Otherwise he will secure fortified cities for himself and get away from us.”