A lottery player likely to come from Sefton is set to lose £1m if they don't claim their prize by tomorrow.
The EuroMillions UK Millionaire Maker ticket was bought in the Merseyside borough on January 15 this year, but so far, nobody has come forward to state it belongs to them.
If the ticket is not claimed by tomorrow, it will become null and void.
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The cash will instead go to the good causes fund.
The winning code from January 15 2021 was MNGF 22971.
Another unclaimed £1m winning ticket was bought in nearby Cheshire East on March 12 of this year.
Camelot’s Andy Carter, senior winners’ advisor at The National Lottery said: “We’re desperate to find this mystery ticket-holder and unite them with their winnings, this amazing prize could really make a massive difference to somebody’s life.
"We’re urging everyone who bought a ticket in this area to check their old EuroMillions tickets again or look anywhere a missing ticket could be hiding.
“In the current situation, we’re encouraging everyone to check their tickets online at national-lottery.co.uk or by downloading the National Lottery app, and to only buy or check their tickets in retail (shops) in line with government guidance.
"Playing online via the website or app means that your ticket is checked, and you get an email notification if you win a prize. You can also scan your retail tickets on the National Lottery app to check if you're a winner.
“Try checking in the pockets of clothing, in wallets, bags and down the back of the sofa. We have the champagne on ice and our fingers crossed that the lucky winner comes forward to claim their win.”
There are more than £10 million worth of lottery draw prizes which have not been claimed this year.