Two winners will share America's biggest Powerball jackpot ever - 587.5 million US dollars (£366.4 million).
It is the second-largest top prize in US lottery history but mystery still surrounds the identity of the winners waking up to new lives as multimillionaires.
Lottery officials said early today that tickets sold in Arizona and Missouri matched all six numbers to win the record jackpot.
The numbers drawn last night are: 5, 16, 22, 23, 29. The Powerball is 6.
It was not clear whether the winning tickets belonged to individuals or groups.
Arizona lottery officials said early today they had no information on that state's winner or winners but would announce where it was sold during a news conference later in the day.
Lottery officials in Missouri were not immediately available for comment.