1 Kings 16:15
“In the twenty and seventh year of Asa king of Judah did Zimri reign seven days in Tirzah. And the people were encamped against Gibbethon, which belonged to the Philistines.”
For all the sins of Baasha, and the sins of Elah his son, by which they sinned, and by which they made Israel to sin, in provoking the Lord God of Israel to anger with their vanities.
Now the rest of the acts of Elah, and all that he did, are they not written in the book of the chronicles of the kings of Israel?
In the twenty and seventh year of Asa king of Judah did Zimri reign seven days in Tirzah. And the people were encamped against Gibbethon, which belonged to the Philistines.
And the people that were encamped heard say, Zimri hath conspired, and hath also slain the king: wherefore all Israel made Omri, the captain of the host, king over Israel that day in the camp.
And Omri went up from Gibbethon, and all Israel with him, and they besieged Tirzah.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Related Verses
“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 Baasha the son of Ahijah, of the house of Issachar, conspired against him; and Baasha smote him at Gibbethon, which belonged to the Philistines; for Nadab and all Israel laid siege to Gibbethon.”
“And Omri went up from Gibbethon, and all Israel with him, and they besieged Tirzah.”
“In the thirty and first year of Asa king of Judah began Omri to reign over Israel, twelve years: six years reigned he in Tirzah.”
“In the twenty and sixth year of Asa king of Judah began Elah the son of Baasha to reign over Israel in Tirzah, two years.”