After all that Hezekiah had so faithfully done, Sennacherib1 king of Assyria came and invaded Judah. He laid siege to the fortified cities, thinking to conquer them for himself.
References for 2 Chronicles 32:1
When Hezekiah saw that Sennacherib had come and that he intended to make war on Jerusalem,2
References for 2 Chronicles 32:2
he consulted with his officials and military staff about blocking off the water from the springs outside the city, and they helped him.
A large force of men assembled, and they blocked all the springs3 and the stream that flowed through the land. "Why should the kings of Assyria come and find plenty of water?" they said.
References for 2 Chronicles 32:4