And the LORD spake unto Moses after the death of the two sons of Aaron, when they offered before the LORD, and died;
Leviticus 10:1
And Nadab and Abihu, the sons of Aaron, took either of them his censer, and put fire therein, and put incense thereon, and offered strange fire before the LORD, which he commanded them not.
Leviticus 10:2
And there went out fire from the LORD, and devoured them, and they died before the LORD.