NET
28 When the news reached Joab (for Joab had supported Adonijah, although he had not supported Absalom), he ran to the tent of the Lord and grabbed hold of the horns of the altar.
Darby
28 And the report came to Joab (for Joab had turned after Adonijah, though he had not turned after Absalom); and Joab fled to the tent of Jehovah, and caught hold of the horns of the altar.
KJV
28 Then tidings came to Joab: for Joab had turned after Adonijah, though he turned not after Absalom. And Joab fled unto the tabernacle of the LORD, and caught hold on the horns of the altar.