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.
Baasha, son of Ahijah from the tribe of Issachar, plotted against him. He attacked him at Gibbethon, a city that belonged to the Philistines. This happened while Nadab and the rest of Israel were trying to take over the city during a siege.