David built there an altar to Yahweh, and offered burnt offerings and peace-offerings, and called on Yahweh; and he answered him from the sky by fire on the altar of burnt offering.
So then the angel of the LORD commanded Gad to say to David, that David should go up, and set up an altar unto the LORD there in the threshingfloor of Ornan the Jebusite ( 1 Chronicles 21:18 ).