2 Kings 10:8-10

8When the messenger arrived, he told Jehu, “They have brought the heads of the sons of the king.”

And Jehu ordered, “Pile them in two heaps at the entrance of the gate until morning.”

9The next morning, Jehu went out and stood before all the people and said, “You are innocent. It was I who conspired against my master and killed him. But who killed all these? 10Know, then, that not a word the LORD has spoken against the house of Ahab will fail, for the LORD has done what He promised through His servant Elijah.”