From heaven by fire, Heb. by fire sent from heaven; which was the sign of God's acceptance. See Leviticus 9:24 1 Kings 18:24,38 2 Chronicles 7:1.
Related Commentaries of 1 Chronicles 21:26
1 Chronicles 21:26
26 And David built there an altar unto the LORD, and offered burnt offerings and peace offerings, and called upon the LORD; and he answered him from heaven by fire upon the altar of burnt offering.