As Josiah turned, he saw the tombs there on the mount; and he sent and took the bones out of the tombs, and burned them on the altar, and defiled it, according to the word of the Lord that the man of God proclaimed, when Jeroboam stood by the altar at the festival; he turned and looked up at the tomb of the man of God who had predicted these things.
References for 2 Kings 23:16
Then he said, "What is that monument that I see?" The people of the city told him, "It is the tomb of the man of God who came from Judah and predicted these things that you have done against the altar at Bethel."
He said, "Let him rest; let no one move his bones." So they let his bones alone, with the bones of the prophet who came out of Samaria.