One ticket-holder has won £35.1 million in the Lotto draw, the biggest prize ever won in the game, the National Lottery said.
A National Lottery spokesman said: "In tonight's draw, one ticket-holder has scooped an amazing £35.1 million jackpot, the biggest prize ever won on the game, and a truly life-changing amount of money."
The winner will take home £35,133,888 for matching all six numbers.
The winning numbers in Wednesday night's draw were 50, 57, 31, 17, 41, 15 and the bonus number was 5. Set of balls one and draw machine Arthur were used.
It is the second big win this year.
In January this year, two Lotto ticket holders broke a 21-year-old record, splitting a £66 million jackpot that was the result of 15 rollovers.
One of the winning tickets was claimed by David and Carol Martin, a couple living in the Scottish Borders. The other winner remained anonymous.
A few weeks later, Gerry and Lisa Cannings, from Deeping St James, near Peterborough in Cambridgeshire, snapped up £32.5 million.
The previous record was a jackpot of £22.5 million, claimed by two business partners from St Leonards-on-Sea in 1995.
In 1996, three winners shared a £44 million prize, taking home £14 million each.
Meanwhile, Saturday's estimated jackpot is £4.2 million.
Nobody matched five numbers plus the bonus ball, but 35 people matching five numbers won £1,914 each.
There were 2,769 winners who matched four balls and they will take home £156 each.
Matching three numbers each, 70,801 tickets scooped £25.
As well as the winner of the £1 million prize Millionaire Raffle, there were 20 additional ticketholders who scooped £20,000 each.
No-one won the top prize of £350,000 in the Lotto HotPicks draw.
In the Thunderball draw the winning numbers were 39, 23, 04, 20, 16 and the Thunderball number was 02.
No-one scooped the top prize of £500,000.