2 Kings 23:16-18 NIV

16 Then Josiah1 looked around, and when he saw the tombs that were there on the hillside, he had the bones removed from them and burned on the altar to defile it, in accordance2 with the word of the LORD proclaimed by the man of God who foretold these things.

References for 2 Kings 23:16

17 The king asked, "What is that tombstone I see?" The men of the city said, "It marks the tomb of the man of God who came from Judah and pronounced against the altar of Bethel the very things you have done to it."
18 "Leave it alone," he said. "Don't let anyone disturb his bones3." So they spared his bones and those of the prophet4 who had come from Samaria.

References for 2 Kings 23:18