1 Chronicles (Author Compiled by Isaiah and Ezra from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
21:26And David built there an altar to Jehovah, and offered up burnt-offerings and peace-offerings, and called upon Jehovah; and he answered him from the heavens by fire upon the altar of burnt-offering.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.