2 Kings 10:17-18
10:17 He went to Samaria and exterminated all the members of Ahab’s family who were still alive in Samaria, just as the Lord had announced to Elijah.
Jehu Executes the Prophets and Priests of Baal
10:18 Jehu assembled all the people and said to them, “Ahab worshiped Baal a little; Jehu will worship him with great devotion.