1 Kings 16:9-11, 18, 22

And his servant Zimri, captain of half his chariots, conspired against him, as he was in Tirzah, drinking himself drunk in the house of Arza steward of his house in Tirzah. And Zimri went in and smote him, and killed him, in the twenty and seventh year of Asa king of Judah, and reigned in his stead. And it came to pass, when he began to reign, as soon as he sat on his throne, that he slew all the house of Baasha: he left him not one that pisseth against a wall, neither of his kinsfolks, nor of his friends.

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

But the people that followed Omri prevailed against the people that followed Tibni the son of Ginath: so Tibni died, and Omri reigned.