The lucky UK winner who scooped £22.1 million in Friday night's EuroMillions Lottery has not yet come forward to claim the life-changing prize, Camelot has said.
The new multi-millionaire hit the jackpot with the numbers 5, 6, 11, 30, 44 and matched the lucky star numbers 2 and 6.
The ticket-holder becomes the fourth UK winner of the prize in several weeks.
A spokesman said: "It's amazing to have another big winner here in the UK - we've been extremely lucky in recent years.
"As well as the chance to win a life-changing prize, EuroMillions players have also helped raised over £27 billion for National Lottery Good Causes, benefiting communities across the UK."
SUBSCRIBE AND FOLLOW
Get top stories and blog posts emailed to me each day. Newsletters may offer personalized content or advertisements. Learn more
Last month Cassey Carrington and Matt Topham, both 22, from Stapleford in Nottingham, won a massive £45,160,170.50.
Check out some of the UK's biggest lottery winners below: