One of his chief officers, Pekah son of Remaliah, conspired against him. Taking fifty men of Gilead with him, he assassinated Pekahiah, along with Argob and Arieh, in the citadel of the royal palace at Samaria. So Pekah killed Pekahiah and succeeded him as king.
As for the other events of Hezekiah’s reign, all his achievements and how he made the pool and the tunnel by which he brought water into the city, are they not written in the book of the annals of the kings of Judah?