1 Kings 13:5-6

5Then the altar broke into two pieces and the ashes fell to the ground. That is what God's servant had said would happen, to show that he spoke with the Lord's authority.

6The king said to God's servant, ‘Please pray to the Lord your God that he will be kind to me. Pray that my hand will become strong again.’ So God's servant prayed to the Lord. And the king's hand became strong again, as it was before.