Lottery bosses came to Blackburn on Friday in a bid to find an unclaimed £1million ticket that was bought in the area.
Urging people to look down the back of their sofas, a Camelot spokesman said the prize had still not been claimed.
When you buy a EuroMillions ticket you are automatically entered into the Millionaire Raffle, which guarantees a £1million winner in the UK each week.
However, on November 12 a special draw was launched, which gave away 10 £1million prizes.
The unclaimed Millionaire Raffle code relating to the ticket bought in ‘the Blackburn area’ is WCT876099.
The winning ticket-holder has until 5.30pm on Wednesday, May 11, to make their claim.
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