2 Kings 10:17 in the King James Version
And when he came to Samaria, he slew all that remained unto Ahab in Samaria, till he had destroyed him, according to the saying of the LORD, which he spake to Elijah.
Context
16 He said, “Come with me, and see my zeal for the LORD.” So they made him ride in his chariot.
17 When he came to Samaria, he struck all who remained to Ahab in Samaria, until he had destroyed them, according to the LORD’s word which he spoke to Elijah.
18 Jehu gathered all the people together, and said to them, “Ahab served Baal a little, but Jehu will serve him much.