Ezra 3:2-3 NIV

2 Then Jeshua1 son of Jozadak2 and his fellow priests and Zerubbabel son of Shealtiel3 and his associates began to build the altar of the God of Israel to sacrifice burnt offerings on it, in accordance with what is written in the Law of Moses4 the man of God.

References for Ezra 3:2

3 Despite their fear5 of the peoples around them, they built the altar on its foundation and sacrificed burnt offerings on it to the LORD, both the morning and evening sacrifices.6

References for Ezra 3:3