1 Kings 18:30-37

Then Elijah said to all the people, “Come near to me.” So all the people came near to him. And he repaired the altar of the LORD which had been torn down. Elijah took twelve stones according to the number of the tribes of the sons of Jacob, to whom the word of the LORD had come, saying, “Israel shall be your name.” So with the stones he built an altar in the name of the LORD, and he made a trench around the altar, large enough to hold two measures of seed. Then he arranged the wood and cut the ox in pieces and laid it on the wood. And he said, “Fill four pitchers with water and pour it on the burnt offering and on the wood.” And he said, “Do it a second time,” and they did it a second time. And he said, “Do it a third time,” and they did it a third time. The water flowed around the altar and he also filled the trench with water. At the time of the offering of the evening sacrifice, Elijah the prophet came near and said, “O LORD, the God of Abraham, Isaac and Israel, today let it be known that You are God in Israel and that I am Your servant and I have done all these things at Your word. Answer me, O LORD, answer me, that this people may know that You, O LORD, are God, and that You have turned their heart back again.”