2 Chronicles 32:3-5

3 he consulted his leading men and military advisers about sealing off the water in the springs outside the city. After gaining their support,

4 a large crowd was gathered to block all the springs and the stream flowing through the countryside. They reasoned, “Why should the kings of Ashur come and find an ample supply of water?”

5 Then, taking courage, he rebuilt all the broken sections of the wall, raised towers on it, built another wall outside that, strengthened the Millo in the City of David, and made a large quantity of spears and shields.