New Delhi, Jan. 20 -- National Lottery officials have launched an urgent search for several winners who are yet to come forward to claim major prizes, The Metro reported. Topping the list is an unidentified ticket holder from Bexley in south-east London, who scooped an eye-watering 10.6 million Pounds in the October 10 Lotto draw. The winner has until April 2 to claim the jackpot before the ticket becomes invalid.

In addition, the National Lottery has flagged a number of other high-value prizes that remain unclaimed across the UK:

Birmingham: 1,000,000 Pounds prize won last year, claim deadline February 11

South Gloucestershire: 1,000,000 Pounds prize from the November 1 draw, expires April 30

Bournemouth: 1,000,000 Pounds prize won o...