NET

21 Jehoram crossed over to Zair with all his chariots. The Edomites, who had surrounded him, attacked at night and defeated him and his chariot officers. The Israelite army retreated to their homeland.

Darby

21 And Joram went over to Zair, and all the chariots with him; and he rose up by night, and smote the Edomites who had surrounded him, and the captains of the chariots; and the people fled into their tents.

KJV

21 So Joram went over to Zair, and all the chariots with him: and he rose by night, and smote the Edomites which compassed him about, and the captains of the chariots: and the people fled into their tents.