Baasha son of Ahijah from the tribe of Issachar plotted against him, and he struck him down at Gibbethon, a Philistine town, while Nadab and all Israel were besieging it.
When the Israelites in the camp heard that Zimri had plotted against the king and murdered him, they proclaimed Omri, the commander of the army, king over Israel that very day there in the camp.