1 Kings 15:27

15:27 Baasha son of Ahijah, from the tribe of Issachar, conspired against Nadab ¹  and assassinated him in Gibbethon, which was in Philistine territory. This happened while Nadab and all the Israelite army were besieging Gibbethon.

1 Kings 15:33

Baasha’s Reign over Israel

15:33 In the third year of Asa’s reign over Judah, Baasha son of Ahijah became king over all Israel in Tirzah; he ruled for twenty-four years.

[15:27]  ¹ tn Heb “against him”; the referent (Nadab) has been specified in the translation for clarity.