When the news came to Joab—for Joab had supported Adonijah although he had not supported Absalom—Joab fled to the tent of the Lord and caught hold of the horns of the altar.
Aaron shall make atonement on its horns once a year. With the blood of the sin offering of atonement he shall make atonement for it once in the year throughout your generations. It is most holy to the Lord.”
Then it was told Solomon, “Behold, Adonijah fears King Solomon, for behold, he has laid hold of the horns of the altar, saying, ‘Let King Solomon swear to me first that he will not put his servant to death with the sword.’”