1 Kings 16:18

And it came to pass when Zambri saw that his city was taken, that he goes into the inner chamber of the house of the king, and burnt the king's house over him, and died.

And it came to pass, when Zimri saw that the city was taken, that he went into the palace of the king’s house, and burnt the king’s house over him with fire, and died,

When Zimri saw that the city was taken, he went into the fortified part of the king’s house and burned the king’s house over him with fire, and died,